MacDonald Plumbing Supplies MacValve 28mm 3 Port Mid Position Motorised Valve

The MacValve 28mm 3 Port Mid Position Motorised Valve is designed to control water flow in central heating and domestic hot water systems. When installed with suitable room and cylinder thermostats, it provides automatic regulation of both services and moves to the mid position when heating and hot water are required at the same time. Designed for compatible 28mm pipework, it is supplied with compression fittings and features a synchronous motor drive with spring return action. The replaceable actuator head can be changed without draining down the system, helping simplify maintenance. An auxiliary switch, integrated manual lever and 1 metre five core flex provide useful features for professional plumbing and heating installations.

MacDonald Plumbing Supplies MacValve 22mm Mid Position Motorised Valve

The 22mm 3 Port Mid Position Motorised Valve is designed to control the flow of water in central heating and domestic hot water systems. When installed with suitable room and cylinder thermostats, it provides automatic regulation of both services, moving to the mid position when heating and hot water are required together. The valve features a synchronous motor drive with spring return action and is supplied with 22mm compression fittings. Its replaceable actuator head can be changed without draining down the system, making maintenance more straightforward. With an auxiliary switch, integrated manual lever and 1 metre five core flex, it offers practical functionality for professional plumbing and heating installations.

MacDonald Plumbing Supplies MacValve 28mm 2 Port Motorised Valve

The MacValve 28mm 2 Port Motorised Valve is designed to provide controlled water flow in central heating systems and other suitable flow control applications. Featuring a spring return mechanism and an auxiliary switch, it can be used to control the flow of water between a boiler, hot water cylinder and central heating circuit when correctly wired with a compatible room thermostat, cylinder thermostat and programmer. The valve is supplied with 28mm compression fittings and includes a 1 metre cable for electrical connection. With a replaceable actuator design, it offers a practical solution for heating engineers carrying out new installations, system upgrades and maintenance work.

MacDonald Plumbing Supplies MacValve 22mm 2 Port Motorised Valve

The MacValve 22mm 2 Port Motorised Valve is designed to provide zone control for central heating and domestic hot water systems. It uses a synchronous motor drive with spring return action to control the flow of water through the connected pipework. Supplied with compression fittings, this valve is suitable for compatible 22mm installations. The replaceable actuator head can be exchanged without draining the system, helping simplify servicing and maintenance. Additional features include an auxiliary switch, an integrated manual lever for commissioning and a 1 metre five core flex. Operating on a 230V, 50Hz supply, it provides a practical control solution for plumbers and heating engineers.

MacDonald Plumbing Supplies MacControl Dual Channel Programmer

MacControl Dual Channel Programmer is a mains powered digital programmer designed to provide flexible time based control of central heating and hot water systems. With independent channels for heating and hot water, it allows installers and homeowners to create schedules suited to their daily routines. The programmer is compatible with gravity fed and fully pumped systems, including S plan and Y plan configurations. Multiple programming options, three ON/OFF periods per channel, holiday mode, frost protection and useful override functions provide precise and convenient control for modern residential heating systems.

MacDonald Plumbing Supplies MacVessel 12Ltr Heating Vessels Complete With Mounting Bracket

The MacVessel 12Ltr Heating Vessel Complete With Mounting Bracket is designed for use within sealed central heating systems where additional expansion capacity is required. Supplied complete with a mounting bracket, it provides a practical installation solution for heating engineers and plumbers. The 12 litre vessel has a maximum working pressure of 6 bar and a test pressure of 9 bar. It has a working temperature range from minus 10 to 99°C, with a factory pre charge of 1.5 bar using air. The vessel features a non replaceable bladder and a system water connection thread manufactured to BS EN ISO 228. It is also CE marked.

MacDonald Plumbing Supplies MacVessel 18Ltr Heating Vessels Complete With Mounting Bracket

The MacVessel 18Ltr Heating Vessel Complete With Mounting Bracket is designed for use within sealed central heating systems where additional expansion capacity is required. Supplied complete with a mounting bracket, it provides a practical installation solution for plumbers and heating engineers. The 18 litre vessel has a maximum working pressure of 6 bar and a test pressure of 9 bar. It has a working temperature range from minus 10 to 99°C and is factory pre charged to 1.5 bar using air. The vessel features a non replaceable bladder, a system water connection thread to BS EN ISO 228 and CE marking.

MacDonald Plumbing Supplies MacVessel 24Ltr Heating Vessels Complete With Mounting Bracket

The MacVessel 24Ltr Heating Vessel Complete With Mounting Bracket is designed for use within sealed central heating systems where additional expansion capacity is required. Supplied complete with a mounting bracket, it provides a practical installation solution for plumbers and heating engineers. The 24 litre vessel has a maximum working pressure of 6 bar and a test pressure of 9 bar. It has a working temperature range from minus 10 to 99°C and is factory pre charged to 1.5 bar using air. The vessel features a non replaceable bladder, a system water connection thread to BS EN ISO 228 and CE marking.

MacDonald Plumbing Supplies MacVessel 8Ltr Potable Vessel

The MacVessel 8Ltr Potable Vessel is designed for use in potable water systems where additional expansion capacity is required. With an 8 litre capacity, it provides a practical solution for applications where water expansion needs to be accommodated within the system. The vessel has a maximum working pressure of 8 bar and a test pressure of 12 bar, with a working temperature range from minus 10 to 99°C. It is factory pre charged to 2 bar using air and features a non replaceable bladder. The system water connection thread conforms to BS EN ISO 228 and the vessel is CE marked.

MacDonald Plumbing Supplies MacVessel 12Ltr Potable Vessel

The MacVessel 12Ltr Potable Vessel is designed for use in potable water systems where additional expansion capacity is required. With a 12 litre capacity, it provides a practical solution for installations where water expansion needs to be accommodated within the system. The vessel has a maximum working pressure of 8 bar and a test pressure of 12 bar, with a working temperature range from minus 10 to 99°C. It is factory pre charged to 2 bar using air and features a non replaceable bladder. The system water connection thread conforms to BS EN ISO 228 and the vessel is CE marked.

MacDonald Plumbing Supplies MacVessel 18Ltr Potable Vessel

The MacVessel 18Ltr Potable Vessel is designed for use in potable water systems where additional expansion capacity is required. With an 18 litre capacity, it provides a practical solution for installations where a larger expansion volume is needed to accommodate changes in water volume and pressure. The vessel has a maximum working pressure of 8 bar and a test pressure of 12 bar, with a working temperature range from minus 10 to 99°C. It is factory pre charged to 2 bar using air and features a non replaceable bladder. The system water connection thread conforms to BS EN ISO 228 and the vessel is CE marked.

MacDonald Plumbing Supplies MacVessel 24Ltr Potable Vessel

The MacVessel 24Ltr Potable Vessel is designed for use in potable water systems where additional expansion capacity is required. With a 24 litre capacity, it provides a practical solution for installations requiring greater expansion volume to accommodate changes in water volume and pressure. The vessel has a maximum working pressure of 8 bar and a test pressure of 12 bar, with a working temperature range from minus 10 to 99°C. It is factory pre charged to 2 bar using air and features a non replaceable bladder. The system water connection thread conforms to BS EN ISO 228 and the vessel is CE marked.

MacDonald Plumbing Supplies MacVessel 8Ltr Heating Vessels Complete With Mounting Bracket

The MacVessel 8Ltr Heating Vessel Complete With Mounting Bracket is designed for use within sealed central heating systems where additional expansion capacity is required. Supplied complete with a mounting bracket, it provides a convenient installation solution for heating engineers and plumbers. The vessel has a maximum working pressure of 6 bar and a working temperature range of minus 10 to 99°C. It features a factory pre charge of 1.5 bar with air, a non replaceable bladder and a system water connection thread manufactured to BS EN ISO 228. The vessel is also CE marked.

MacDonald Plumbing Supplies MacVessel Sealed System Filling Kit

The MacVessel Sealed System Filling Kit provides the essential components required for filling and monitoring sealed central heating systems using expansion vessels from 8 to 80 litres. The kit includes a filling loop with two 15mm compression fittings, a 3 bar safety relief valve and gauge, a 3/4 inch manifold, and a red or blue safety valve cap. Supplied as a convenient kit, it helps installers bring the key components together for efficient system installation and servicing. Suitable for use with a range of sealed heating systems and expansion vessel sizes.

MacDonald Plumbing Supplies Refill For The MacPack Endfeed Starter Pack

The Refill For The MacPack Endfeed Starter Pack provides a complete replacement selection of high-quality WRAS approved endfeed fittings from MacDonald Plumbing Supplies. Containing 255 popular 15mm and 22mm fittings, including couplings, 90 degree elbows, equal tees, reducing tees and reducers, this refill pack is designed to replenish your existing MacPack storage case without purchasing another case. Ideal for plumbers and heating engineers who regularly use endfeed fittings on professional installations. Pack Contents 50 x MacEndfeed Coupling 15mm WRAS Approved 25 x MacEndfeed Coupling 22mm WRAS Approved 50 x MacEndfeed 90 Degree Elbow 15mm WRAS Approved 50 x MacEndfeed 90 Degree Elbow 22mm WRAS Approved 25 x MacEndfeed Equal Tee 15mm WRAS Approved 20 x MacEndfeed Equal Tee 22mm WRAS Approved 10 x MacEndfeed Reducing Tee 22mm x 22mm x 15mm WRAS Approved 25 x MacEndfeed Fitting Reducer 22mm x 15mm WRAS Approved

MacDonald Plumbing Supplies MacPack Solder Ring Starter Pack

The MacPack Solder Ring Starter Pack provides a comprehensive selection of high-quality WRAS approved solder ring fittings from MacDonald Plumbing Supplies. Supplied in a practical FatMac storage case, the pack contains popular 15mm and 22mm couplings, elbows, equal tees, reducing tees and reducers, making it ideal for a wide range of plumbing installations. The compact design of the solder ring fittings makes them particularly useful when working in areas where space is limited. Pack Contents 1 x FatMac Storage Case 50 x MacSolder Ring Coupling 15mm WRAS Approved 25 x MacSolder Ring Coupling 22mm WRAS Approved 50 x MacSolder Ring 90 Degree Elbow 15mm WRAS Approved 50 x MacSolder Ring 90 Degree Elbow 22mm WRAS Approved 25 x MacSolder Ring Equal Tee 15mm WRAS Approved 20 x MacSolder Ring Equal Tee 22mm WRAS Approved 10 x MacSolder Ring Reducing Tee 22mm x 22mm x 15mm WRAS Approved 25 x MacSolder Ring Fitting Reducer 22mm x 15mm WRAS Approved

MacDonald Plumbing Supplies Brass ¾ Cap

The Brass 3/4" Cap is a reliable fitting designed to seal off pipe ends in plumbing and heating systems. Manufactured from durable brass, it provides a secure and leak-free connection using a simple compression fitting. Ideal for both temporary and permanent applications, it ensures dependable performance in a wide range of installations.

MacDonald Plumbing Supplies MacValve WRAS Remote Filling Loop Part L Compliant with Gauge

The MacValve WRAS Remote Filling Loop Part L Compliant with Gauge is a practical and compliant solution for filling and pressurising central heating systems and heat interface units. Designed for flexible installation, it can be fitted remotely from the boiler or cylinder, making it ideal where access is limited or no integral pressure gauge is present. Supplied complete with a gauge and essential safety components, it ensures accurate pressure monitoring and safe system operation.

MacDonald Plumbing Supplies MacCompression 22mm Slip Coupling

The MacCompression 22mm Slip Couplings provide a dependable solution for repairing or extending 22mm pipework where movement is limited or access is restricted. Designed with a slip function, these couplings slide along the pipe to bridge gaps or replace damaged sections without requiring pipe disassembly. Manufactured to BS EN 1254-2 standards and WRAS approved, they are suitable for potable water systems and professional plumbing installations. Supplied complete with copper olives, they ensure a secure, watertight seal and reliable long term performance.

MacDonald Plumbing Supplies MacCompression 15mm Slip Coupling

The MacCompression 15mm Slip Coupling is a practical and dependable solution for repairing or extending 15mm pipework without the need for additional pipe movement. Designed for ease of installation, this coupling slides along the pipe to bridge gaps or replace damaged sections, making it ideal for maintenance, repair, and retrofit plumbing tasks. Manufactured to BS EN 1254-2 standards and WRAS approved, it ensures reliable performance and suitability for potable water systems. Supplied complete with copper olives, it provides a secure, watertight seal for professional and long lasting installations.

MacDonald Plumbing Supplies MacCompression Reducing Coupling Poly P25 x 22mm

The MacCompression Reducing Coupling Poly P25 x 22mm is designed to connect 25mm MDPE pipe to 22mm pipework quickly and securely. Manufactured from high quality poly material, this compression fitting provides a dependable solution for reducing pipe sizes in cold water supply installations. Kitemarked and WRAS Approved, it meets recognised UK standards for potable water use, making it suitable for both domestic and commercial applications. Its robust construction ensures a long service life, even in demanding ground level or external environments.

MacDonald Plumbing Supplies MacOverflow Equal Tee 21.5mm White PACK OF 10

The MacOverflow Equal Tee 21.5mm White is a reliable solution for forming equal branch connections within overflow waste systems. Designed to suit standard 21.5mm overflow pipe, these fittings allow a straight run with an equal branch, making them ideal for connecting multiple overflows into a single line. The white finish provides a clean, discreet appearance that blends well with most sanitaryware and visible pipework. Supplied in a handy pack of 10, they are perfect for installers who need consistent, dependable fittings for repeated jobs.

MacDonald Plumbing Supplies MacOverflow 21.5mm Overflow to 32mm Waste Adaptor Black PACK OF 10

The MacOverflow 21.5mm Overflow to 32mm Waste Adaptor Black provides a simple and reliable solution for connecting standard 21.5mm overflow pipework into 32mm waste systems. Ideal for use with basins, cisterns and appliances, this adaptor ensures a smooth transition between overflow and waste pipe sizes. The black finish offers a discreet, professional look, particularly suited to concealed or modern installations. Supplied in a practical pack of 10, it is an excellent choice for trade professionals carrying out multiple installations or maintenance work.

MacDonald Plumbing Supplies MacOverflow 21.5mm Overflow to 32mm Waste Adaptor White PACK OF 10

The MacOverflow 21.5mm Overflow to 32mm Waste Adaptor White offers a neat and reliable solution for connecting standard 21.5mm overflow pipework into 32mm waste systems. Commonly used with basins, cisterns and appliance overflows, this adaptor ensures a clean transition between pipe sizes while maintaining proper flow. The white finish is ideal for visible installations where a tidy, unobtrusive appearance is required. Supplied in a convenient pack of 10, it is well suited to trade use, maintenance work and multiple installations.

MacDonald Plumbing Supplies MacOverflow 21.5mm Overflow to 40mm Waste Adaptor Black PACK OF 10

The MacOverflow 21.5mm Overflow to 40mm Waste Adaptor Black provides a practical and reliable solution for connecting standard 21.5mm overflow pipework into 40mm waste systems. Commonly used on basins, cisterns and appliance overflows, this adaptor ensures a smooth transition between pipe sizes while maintaining correct flow and alignment. The black finish is ideal for modern installations or where pipework is visible. Supplied in a trade-friendly pack of 10, it is well suited to professional plumbers and maintenance engineers.

MacDonald Plumbing Supplies MacOverflow 21.5mm Overflow to 40mm Waste Adaptor White PACK OF 10

The MacOverflow 21.5mm Overflow to 40mm Waste Adaptor White is designed to provide a clean and reliable transition from standard 21.5mm overflow pipework into 40mm waste systems. Commonly used on basins, toilet cisterns and appliance overflows, this adaptor ensures correct alignment and dependable performance. The white finish is ideal for traditional installations or where pipework needs to blend discreetly with sanitaryware. Supplied in a convenient pack of 10, it is well suited to trade use and repeat installations.

MacDonald Plumbing Supplies MacOverflow Equal Tee 21.5mm Black PACK OF 10

The MacOverflow Equal Tee 21.5mm Black is designed for creating neat, reliable branch connections within overflow waste systems. Manufactured to suit standard 21.5mm overflow pipe, these equal tees allow a straight-through run with a balanced branch, making them ideal for linking multiple appliance overflows into a single waste line. Finished in black for a clean, discreet appearance, they are well suited to both domestic and commercial plumbing installations. Supplied in a convenient pack of 10, they offer excellent value for installers and maintenance teams carrying out multiple jobs.

MacDonald Plumbing Supplies MacOverflow 90 Deg Knuckle Bend 21.5mm Black PACK OF 10

The MacOverflow 90 Deg Knuckle Bend 21.5mm Black is a versatile and durable fitting designed to create a smooth 90 degree change of direction in 21.5mm overflow pipework. Its compact knuckle bend shape allows for tighter turns than a standard swept bend, making it ideal for installations where space is restricted. Manufactured from strong, reliable plastic, it provides a secure and leak free connection that supports efficient flow in overflow systems. The modern black finish offers a discreet and tidy appearance, particularly suited to exposed or visible pipe runs in both domestic and commercial environments.

MacDonald Plumbing Supplies MacOverflow 90 Deg Knuckle Bend 21.5mm White PACK OF 10

The MacOverflow 90 Deg Knuckle Bend 21.5mm White is designed to provide a neat and reliable 90 degree directional change within 21.5mm overflow pipework. Its compact knuckle bend shape allows for tighter, more efficient turns than a traditional swept bend, making it ideal for installations where space is limited. Manufactured from durable white plastic, it gives a clean and discreet finish that blends seamlessly with surrounding sanitaryware. Perfect for both domestic and commercial overflow systems, this fitting ensures a secure, leak free connection that supports smooth water flow.

MacDonald Plumbing Supplies MacOverflow 45 Deg Obtuse Bend 21.5mm Black PACK OF 10

The MacOverflow 45 Deg Obtuse Bend 21.5mm Black is a reliable and versatile fitting designed to create a smooth 45 degree change of direction in 21.5mm overflow pipework. Its obtuse angle promotes efficient water flow while reducing the risk of turbulence or restriction. Made from robust black plastic, it is ideal for installations where a discreet, low visibility fitting is preferred. Suitable for domestic and commercial overflow systems, this bend delivers a secure, leak free connection and ensures long term performance.

MacDonald Plumbing Supplies MacOverflow 45 Deg Obtuse Bend 21.5mm White PACK OF 10

The MacOverflow 45 Deg Obtuse Bend 21.5mm White is a dependable fitting designed to create a smooth 45 degree diversion in 21.5mm overflow pipework. Its obtuse angle supports efficient water flow while minimising turbulence and resistance. Manufactured from durable white plastic, it provides a clean and tidy appearance, making it ideal for visible internal installations. Whether used in domestic or commercial systems, this bend ensures a secure, leak free and long lasting connection for a wide range of overflow applications.

MacDonald Plumbing Supplies MacOverflow Straight Connector 21.5mm White PACK OF 10

The MacOverflow Straight Connector 21.5mm White is a dependable, easy to install fitting designed to create a secure, leak free join between 21.5mm overflow pipes. Ideal for basins, cisterns, cold water tanks and general overflow systems, it provides a strong and stable connection that ensures excess water is diverted safely. The clean white finish blends seamlessly with standard plumbing pipework, offering a neat and professional appearance. Suitable for both new installations and repair work, this connector is a simple yet essential component for maintaining effective overflow management in domestic and commercial settings.

MacDonald Plumbing Supplies MacOverflow Straight Connector 21.5mm Black PACK OF 10

The MacOverflow Straight Connector 21.5mm Black is a reliable and easy to install component designed for creating secure, watertight joins between 21.5mm overflow pipes. Manufactured for durability, it provides a strong connection that helps prevent leaks in basin, cistern and tank overflow systems. Its slim, tidy design ensures a neat finish, while the black colour offers a modern alternative to traditional white fittings, making it ideal for exposed pipework. Suitable for domestic and commercial plumbing, it is an essential fitting for ensuring safe and effective overflow management.

MacDonald Plumbing Supplies MacCompression Liners for MDPE 25mm

The MacCompression Liners for MDPE 25mm are designed to provide added strength, security, and reliability when using MDPE compression fittings. Manufactured to a high standard, these pipe liners are both WRAS Approved and Kitemarked, ensuring compliance and performance in potable water applications. By reinforcing the inner wall of the MDPE pipe, they help prevent pipe deformation under compression, guaranteeing a safe and leak-free connection. Trusted by installers, these liners offer peace of mind for long-term durability in underground and above-ground installations.

MacDonald Plumbing Supplies Refill For The MacPack Press Starter Kit For Water 22mm Fittings

The Refill For The MacPack Press Pack For Water 22mm. This refill kit is tailor-made for plumbing professionals who use the MacPress system and need a fresh supply of premium 22mm copper press fittings. Designed for use in potable water, sealed heating systems, and hot water circuits, every fitting is WRAS approved and made for secure, flame-free installation. The pack includes elbows, couplings, equal tees, reducers, and reducing tees – all engineered for reliability and leak-free performance. Supplied in quantities that suit real-world installation demands, this refill pack is a smart, timesaving addition to your MacPack setup. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.

MacDonald Plumbing Supplies MacPack Press Starter Kit For Water 22mm Fittings

The MacPack Press Pack For Water 22mm Fittings is your complete solution for fast, safe, and professional-grade water installations. Designed around the industry-trusted MacPress M-profile press system, this pack includes a hand-picked selection of high-quality 22mm fittings, ideal for use in potable water, heating, and hot water systems. Engineered for clean, flame-free installation, the fittings require no solder, flux, or compound making them perfect for both domestic and commercial environments. Each component is WRAS approved and backed by a 20-year manufacturer’s warranty, ensuring a secure and long-lasting fit every time. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.

MacDonald Plumbing Supplies Refill For The MacPack Press Starter Kit For Water 15mm Fittings

The MacPack Press Refill Pack For Water 15mm Fittings is ideal for topping up your stock of the most-used water press fittings. Designed to match the quality and compatibility of MacPress M profile fittings, this refill pack ensures you always have essential components on hand. With a practical selection of 15mm couplings, elbows, tees, reducers, and reducing tees, it's perfect for professionals working on potable water, hot water, and heating installations. These flame-free fittings provide a fast, clean and safe solution with reliable performance. Fully WRAS approved and BS EN compliant, this pack keeps your installations efficient and up to standard. Not suitable for use with MLCP pipe and fittings. Installation Instructions for Press Fittings 1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.

MacDonald Plumbing Supplies MacPack Press Starter Kit For Water 15mm Fittings

The MacPack Press Pack For Water 15mm Fittings is a purpose-built solution designed for fast, safe, and clean water installations. Ideal for both domestic and commercial applications, this all-in-one pack contains a selection of premium 15mm MacPress water press fittings including couplings, elbows, tees, reducers, and reducing tees. Thanks to its flame-free installation process, it eliminates the need for hot works while maintaining a high standard of performance and safety. Every fitting uses the reliable “M” profile for secure press connections. The included fittings are WRAS approved and manufactured to meet the highest quality and compliance standards. Backed by a 20-year manufacturer’s warranty, this pack offers peace of mind and long-term durability. Installation Instructions for Press Fittings  1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.

MacDonald Plumbing Supplies MacShock 15mm Water Shock Arrestor - Diaphragm

The MacShock 15mm Water Shock Arrestor - Diaphragm is a highly effective solution for eliminating water hammer and pressure surges in plumbing systems. Its compact size allows for flexible installation in confined spaces, while the internal diaphragm technology efficiently absorbs sudden changes in water flow. This shock arrestor is ideal for use with water meters, non-return valves, and appliances such as dishwashers and washing machines. Fully WRAS approved, it ensures quieter operation and long-term protection for your plumbing network, safeguarding boilers, pipes, and fittings from damage caused by hydraulic shock.

MacDonald Plumbing Supplies MacScale 22mm Electrolytic Scale Reducer

The MacScale 22mm Electrolytic Scale Reducer is a reliable and maintenance-free solution for reducing limescale build-up in plumbing systems. Designed for larger 22mm pipework, it provides whole house protection using an electrolytic process that requires no chemicals or power. WRAS approved and easy to install, it helps maintain system efficiency and extend the lifespan of appliances and pipework.

MacDonald Plumbing Supplies MacScale 15mm Electrolytic Scale Reducer

The MacScale 15mm Electrolytic Scale Reducer is an effective, maintenance-free solution designed to reduce limescale build-up in plumbing systems. Suitable for both domestic and commercial use, it provides whole house protection using an electrolytic process that requires no chemicals or power. WRAS approved and easy to install with 15mm compression fittings, it helps extend the life of appliances and pipework.

MacDonald Plumbing Supplies MacValve 22mm Chrome Plated Angled Auto Bypass Valve

The MacValve 22mm Chrome Plated Angled Auto Bypass Valve is designed to maintain efficient water circulation in central heating systems. It automatically opens to allow flow when thermostatic radiator valves close, preventing pressure build-up and protecting system components. With adjustable pressure settings and a durable chrome-plated finish, it offers reliable and long-lasting performance.

MacDonald Plumbing Supplies MacPump 3 Speed Domestic Circulating Pump - 25/6-130

The MacPump 3 Speed Domestic Circulating Pump - 25/6-130 is a reliable and energy-efficient solution for circulating water in domestic heating systems. Designed for use in radiator circuits, hot water systems, and underfloor heating, it features a 3-speed manual setting for flexible control of flow rates. With a 6m head and simple plug-and-pump installation, it offers dependable performance and ease of use.

MacDonald Plumbing Supplies MacPump 1½ "A" Rated Circulating Pump

The MacPump 1½" “A” Rated Circulating Pump is a high-efficiency solution designed for domestic heating and hot water systems. Featuring a permanent magnet motor and intelligent differential pressure control, it automatically adjusts performance to suit system demand. With both variable and fixed speed settings, a 6m head, and A-rated energy efficiency, it delivers reliable performance while helping to reduce energy consumption.

MacDonald Plumbing Supplies MacTRV 15mm White Head TRV & Lockshield Pack

The MacTRV 15mm White Head TRV & Lockshield Pack is a complete solution for controlling radiator temperature efficiently. Featuring a 15mm angled thermostatic radiator valve and matching lockshield, it allows precise heat regulation while improving energy efficiency. With a liquid-filled sensor and built-in frost protection, it ensures consistent performance in domestic heating systems.

MacDonald Plumbing Supplies Refill For The MacPack Press Starter Kit For Gas

The Refill For The MacPack Press Starter Pack For Gas is designed to replenish your MacPress Starter Pack 1 with essential components for ongoing gas system installations. It includes 90 fittings to ensure your projects run smoothly and efficiently. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.

MacDonald Plumbing Supplies MacPack Press Starter Kit For Gas

Top up your MacPress fitting stock with the MacPack Press Refill Pack For Water – 15mm Fittings, designed for professional installers who value speed, safety, and simplicity. This refill pack includes 105 premium-quality 15mm M Profile press fittings for water applications – all neatly stored in a robust FatMac case for easy access on-site. Suitable for potable water, heating, and hot water systems, each fitting is WRAS Approved and compatible with standard copper tube. Perfect for topping up your MacPress Water Starter Pack or expanding your on-the-go fitting kit. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.

MacDonald Plumbing Supplies Universal 240V Synchron Motor

The Universal 240V Synchron Motor is a versatile component suitable for most 2-port and 3-port motorised valves in central heating systems. By replacing just the motor, you can save on costly valve replacements and avoid hiring a plumber. This DIY-friendly motor ensures your central heating system operates efficiently.

MacDonald Plumbing Supplies MacPack Endfeed Starter Pack

Our Endfeed fittings are suitable for use on a wide variety of applications. They are of a compact design ideal for use in areas of limited space. Endfeed fittings from MacDonald Plumbing Supplies are WRAS approved

MacDonald Plumbing Supplies Refill For The MacPack Press Starter Kit For Water

The Refill For The MacPack Press Starter Pack For Water provides a comprehensive, professional-grade selection of MacPress M-profile press fittings. Specially curated for potable water and heating systems, this refill pack ensures you have the most commonly used fittings readily available for seamless installation work. From elbows and couplings to equal tees and reducers, each component in this pack is engineered for flame-free, WRAS-approved connections that deliver long-term leak-free performance. Designed to work flawlessly with copper pipe, the refill pack offers dependable quality for installers who demand reliability, efficiency, and peace of mind. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.

MacDonald Plumbing Supplies MacPack Press Starter Kit For Water

The MacPack Press Starter Pack For Water is a comprehensive solution for plumbing professionals working on water system installations. This starter pack includes an essential selection of WRAS Approved MacPress fittings designed for domestic and commercial water applications, including potable water, heating, and hot water systems. All fittings feature a high-performance M-Profile design that ensures fast, secure, and flame-free connections. With no need for hot works, this kit saves time on-site while ensuring full compliance with BS EN standards. Supplied in a durable FatMac case, the pack is ideal for installers looking for reliable, professional-grade fittings. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.

MacDonald Plumbing Supplies FatMac Storage Case MACSNS

The MacDonald Plumbing Supplies FatMac Storage Case MACSNS is a durable and practical storage solution designed to keep tools, fittings and small parts organised. Featuring a Stac N Store design with 12 removable compartments, it allows users to customise storage to suit different items and job requirements. With compact dimensions of 425mm x 360mm x 105mm, it is ideal for both professional plumbers and DIY users who need reliable, portable storage for everyday use.

MacDonald Plumbing Supplies MacShock ½ Water Shock Arrestor - Diaphragm

The MacShock 1/2" Water Shock Arrestor - Diaphragm is a compact and efficient device designed to absorb pressure surges and prevent water hammer in plumbing systems. It is particularly useful in systems with water meters, non-return devices, and appliances like dishwashers or washing machines. With WRAS approval, this shock arrestor ensures smooth operation, reduces pipe vibrations, and helps protect boilers and other plumbing components from damage caused by sudden changes in water flow.

MacDonald Plumbing Supplies MacPress 22mm Red/Blue Lever Valves M Profile WRAS Approved

The MacPress 22mm Red/Blue Lever Valves M Profile are WRAS approved, offering reliable water flow control for press fit plumbing systems. Featuring convenient red and blue lever handles, they ensure easy operation and compliance with regulatory standards. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.  

MacDonald Plumbing Supplies MacPress 15mm Red/Blue Lever Valves M Profile WRAS Approved

The MacPress 15mm Red/Blue Lever Valves M Profile are WRAS approved, offering reliable water flow control for press fit plumbing systems. Featuring convenient red and blue lever handles, they ensure easy operation and compliance with regulatory standards. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.  

MacDonald Plumbing Supplies MacPress Equal Tee 22mm - WATER

The MacPress 22mm Equal Tee is a WRAS approved press fitting ideal for connecting three equal pipe runs in water, heating, and potable systems. M-Profile design for reliable, professional installations.   Installation Instructions for Press Fittings 1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.  

MacDonald Plumbing Supplies MacPress Slip Coupling 22mm - WATER

The MacPress Slip Coupling 22mm is a WRAS approved press fitting designed for quick, secure pipe repairs and connections on hot water, heating, and potable water systems. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.  

MacDonald Plumbing Supplies MacPress Equal Tee 15mm - WATER

The MacPress 15mm Equal Tee is a WRAS approved press fitting ideal for connecting three equal pipe runs in water, heating, and potable systems. M-Profile design for reliable, professional installations.   Installation Instructions for Press Fittings 1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.  

MacDonald Plumbing Supplies MacPress Slip Coupling 15mm - WATER

The MacPress Slip Coupling 15mm is a WRAS approved press fitting designed for quick, secure pipe repairs and connections on hot water, heating, and potable water systems. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.  

MacDonald Plumbing Supplies MacPress Elbow 22mm - WATER

The MacPress 22mm Elbow is a high-quality press fitting designed for heating, hot water, and potable water systems. WRAS approved and M-profile – trusted by professionals for secure, leak-free joints. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.  

MacDonald Plumbing Supplies MacCompression Equal Tee 22mm

Discover top-quality Compression Equal Tees, featuring durable brass olives for reliability. Ideal for confined spaces, these fittings eliminate the need for soldering or heat, offering a cost-effective, robust solution. WRAS approved and compliant with BSEN1254-2 standards, they're suitable for potable water and central heating systems alike.

MacDonald Plumbing Supplies MacCompression Wall Plate Elbow 15mm x ½

Explore our Compression Wall Plate Elbow 15mm x ½, an essential component for secure plumbing connections. Crafted from high-quality materials, this elbow ensures a reliable seal and robust fitting. Ideal for wall connections in various applications, including central heating and hot & cold water supplies. WRAS approved and compliant with BSEN1254-2 standards, guaranteeing quality and reliability.

MacDonald Plumbing Supplies MacPress Coupling 22mm - WATER

The MacPress 22mm Coupling is a reliable M-Profile press fitting suitable for water, heating, and potable applications. WRAS approved and built for professional use, it's perfect for quick, leak-free installations.     Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.

MacDonald Plumbing Supplies MacPress Fitting Reducer 22mm x 15mm - WATER

The MacPress Fitting Reducer 22mm x 15mm offers a seamless and secure reduction between pipe sizes in heating, hot water, and potable water systems. WRAS approved and M-profile design for leak-free reliability. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.  

MacDonald Plumbing Supplies MacSolder Ring Equal Tee 22mm

Our Solder Ring fittings are manufactured with lead free solder and are suitable for use with potable water, central heating and gas. Solder Ring Fittings benefit from a pre-soldered ring that saves time when installing new pipework or repairing and old run.

MacDonald Plumbing Supplies MacCompression Elbow 22mm

Discover top-quality Compression Elbows, featuring durable brass olives for reliability. Ideal for confined spaces, these fittings eliminate the need for soldering or heat, offering a cost-effective, robust solution. WRAS approved and compliant with BSEN1254-2 standards, they're suitable for potable water and central heating systems alike.

MacDonald Plumbing Supplies MacCompression Equal Tee 15mm

Discover top-quality Compression Equal Tees, featuring durable brass olives for reliability. Ideal for confined spaces, these fittings eliminate the need for soldering or heat, offering a cost-effective, robust solution. WRAS approved and compliant with BSEN1254-2 standards, they're suitable for potable water and central heating systems alike.

MacDonald Plumbing Supplies MacPress Elbow 15mm - WATER

The MacPress 15mm Elbow is a high-quality press fitting designed for heating, hot water, and potable water systems. WRAS approved and M-profile – trusted by professionals for secure, leak-free joints. Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.  

MacDonald Plumbing Supplies MacCompression Coupling 22mm

Our Compression fittings are suitable for use on a wide variety of applications, including central heating and hot & cold water supplies. No soldering or heat required, these fittings are ideal for use in areas with limited space, and are a cost effective but robust solution.

MacDonald Plumbing Supplies MacPress Coupling 15mm - WATER

The MacPress 15mm Coupling is a reliable M-Profile press fitting suitable for water, heating, and potable applications. WRAS approved and built for professional use, it's perfect for quick, leak-free installations.   Installation Instructions for Press Fittings   1. Ensure the copper tube is cut squarely. 2. Deburr the pipe internally and externally to form a smooth edge. 3. Check that the ‘O’ ring of the fitting is seated correctly and free from impurities. 4. Do not use jointing compound, oil or grease. 5. Insert the tube to the full depth of the socket. 6. Clearly mark the tube at full depth. 7. Aline the fitting with the jaw of the tool correctly. 8. Make the press connection, using a suitable M profile jaw.

MacDonald Plumbing Supplies MacCompression Straight Male Adaptor 22mm x ¾

Discover top-quality Compression Straight Male Adaptors, perfect for various applications including central heating and hot & cold water supplies. This adaptor features durable brass olives and is designed for easy installation without soldering or heat. WRAS approved and compliant with BSEN1254-2 standards, ensuring suitability for potable water and central heating systems.

MacDonald Plumbing Supplies MacCompression Stop End 22mm

Discover top-quality Compression Stop Ends, perfect for various applications including central heating and hot & cold water supplies. No soldering or heat required, these fittings are convenient for confined spaces, offering a cost-effective and reliable solution. WRAS approved and compliant with BSEN1254-2 standards, ensuring suitability for potable water and central heating systems.

MacDonald Plumbing Supplies MacCompression Elbow 15mm

Discover top-quality Compression Elbows, featuring durable brass olives for reliability. Ideal for confined spaces, these fittings eliminate the need for soldering or heat, offering a cost-effective, robust solution. WRAS approved and compliant with BSEN1254-2 standards, they're suitable for potable water and central heating systems alike.  

MacDonald Plumbing Supplies MacCompression Coupling 15mm

Our Compression fittings are suitable for use on a wide variety of applications, including central heating and hot & cold water supplies. No soldering or heat required, these fittings are ideal for use in areas with limited space, and are a cost effective but robust solution.

MacDonald Plumbing Supplies MacCompression Straight Male Adaptor 15mm x ½

Discover top-quality Compression Straight Male Adaptors, perfect for various applications including central heating and hot & cold water supplies. This adaptor features durable brass olives and is designed for easy installation without soldering or heat. WRAS approved and compliant with BSEN1254-2 standards, ensuring suitability for potable water and central heating systems.

MacDonald Plumbing Supplies MacSolder Ring Equal Tee 15mm

Our Solder Ring fittings are manufactured with lead free solder and are suitable for use with potable water, central heating and gas. Solder Ring Fittings benefit from a pre-soldered ring that saves time when installing new pipework or repairing and old run.

MacDonald Plumbing Supplies MacCompression Stop End 15mm

Discover top-quality Compression Stop Ends, perfect for various applications including central heating and hot & cold water supplies. No soldering or heat required, these fittings are convenient for confined spaces, offering a cost-effective and reliable solution. WRAS approved and compliant with BSEN1254-2 standards, ensuring suitability for potable water and central heating systems.

MacDonald Plumbing Supplies MacSolder Ring Equal Elbow 22mm

Our Solder Ring fittings are manufactured with lead free solder and are suitable for use with potable water, central heating and gas. Solder Ring Fittings benefit from a pre-soldered ring that saves time when installing new pipework or repairing and old run.

MacDonald Plumbing Supplies MacSolder Ring Fitting Reducer 22mm x 15mm

Our Solder Ring fittings are manufactured with lead free solder and are suitable for use with potable water, central heating and gas. Solder Ring Fittings benefit from a pre-soldered ring that saves time when installing new pipework or repairing and old run.

MacDonald Plumbing Supplies MacSolder Ring Coupling 22mm

Our Solder Ring fittings are manufactured with lead free solder and are suitable for use with potable water, central heating and gas. Solder Ring Fittings benefit from a pre-soldered ring that saves time when installing new pipework or repairing and old run. They are ideal for use in areas of limited space and are a cost effective lightweight option. Solder Ring fittings from MacDonald Plumbing Supplies are WRAS approved and meet BSEN1254 standards. Sizes range from 8mm to 54mm.

MacDonald Plumbing Supplies MacEndfeed Equal Tee 22mm WRAS APPROVED

The MacEndfeed Equal Tee 22mm WRAS APPROVED is a durable copper fitting designed to create a branch connection within 22mm pipework in plumbing and heating systems. Compact and reliable, it provides a strong, permanent soldered joint, making it ideal for installations in both domestic and commercial environments. WRAS approved for potable water use, it ensures safe and consistent performance across a wide range of applications.

MacDonald Plumbing Supplies MacEndfeed 90 Degree Elbow 22mm WRAS APPROVED

The MacEndfeed 90 Degree Elbow 22mm WRAS APPROVED is a durable copper fitting designed to change the direction of 22mm pipework by 90 degrees in plumbing and heating systems. Compact and reliable, it provides a strong, permanent soldered joint, making it ideal for installations where space is limited. WRAS approved for potable water use, it ensures safe and dependable performance in domestic and commercial applications.

MacDonald Plumbing Supplies MacEndfeed Fitting Reducer 22mm x 15mm WRAS APPROVED

Our Endfeed fittings are suitable for use on a wide variety of applications. They are of a compact design ideal for use in areas of limited space. Endfeed fittings from MacDonald Plumbing Supplies are WRAS approved

MacDonald Plumbing Supplies MacSolder Ring Equal Elbow 15mm

Our Solder Ring fittings are manufactured with lead free solder and are suitable for use with potable water, central heating and gas. Solder Ring Fittings benefit from a pre-soldered ring that saves time when installing new pipework or repairing and old run.

MacDonald Plumbing Supplies MacEndfeed Coupling 15mm WRAS APPROVED

The MacEndfeed Coupling 15mm WRAS APPROVED is a high-quality copper fitting designed for joining 15mm pipe in plumbing and heating systems. Compact and reliable, it provides a strong, permanent connection when soldered, making it ideal for use in tight spaces. WRAS approved for use with potable water, it offers dependable performance across a wide range of domestic and commercial applications.

MacDonald Plumbing Supplies MacEndfeed 90 Degree Elbow 15mm WRAS APPROVED

The MacEndfeed 90 Degree Elbow 15mm WRAS APPROVED is a high-quality copper fitting designed to change the direction of pipework by 90 degrees in plumbing and heating systems. Compact and durable, it provides a strong, permanent soldered joint, making it ideal for installations in confined spaces. WRAS approved for potable water use, it delivers safe and reliable performance across domestic and commercial applications.

MacDonald Plumbing Supplies MacSolder Ring Coupling 15mm

Our Solder Ring fittings are manufactured with lead free solder and are suitable for use with potable water, central heating and gas. Solder Ring Fittings benefit from a pre-soldered ring that saves time when installing new pipework or repairing and old run. They are ideal for use in areas of limited space and are a cost effective lightweight option. Solder Ring fittings from MacDonald Plumbing Supplies are WRAS approved and meet BSEN1254 standards. Sizes range from 8mm to 54mm.

MacDonald Plumbing Supplies MacEndfeed Coupling 22mm WRAS APPROVED

The MacEndfeed Coupling 22mm WRAS APPROVED is a high-quality copper fitting designed for joining 22mm pipe in plumbing and heating systems. Compact and reliable, it provides a strong, permanent connection when soldered, making it ideal for installations where space is limited. WRAS approved for use with potable water, it delivers dependable performance across a wide range of domestic and commercial applications.

MacDonald Plumbing Supplies MacEndfeed Equal Tee 15mm WRAS APPROVED

The MacEndfeed Equal Tee 15mm WRAS APPROVED is a high-quality copper fitting designed to create a branch connection within 15mm pipework in plumbing and heating systems. Compact and durable, it provides a strong, permanent soldered joint, making it ideal for use in confined spaces. WRAS approved for potable water applications, it delivers safe and reliable performance across domestic and commercial installations.

MacDonald Plumbing Supplies MacChem C100B 500ml Corrosion Inhibitor with Biocide

The MacChem C100B 500ml Corrosion Inhibitor with Biocide is specially formulated to protect low-temperature heating systems such as underfloor heating from corrosion and microbial growth. Offering exceptional value for money, it outperforms more expensive brands while delivering reliable, long-lasting system protection. By preventing rust, limescale, and sludge, it improves heat transfer efficiency and extends system life, helping you reduce energy bills and costly repairs.  

MacDonald Plumbing Supplies MacChem C300 500ml Central Heating System Cleanser

The MacChem C300 Central Heating System Cleanser offers a powerful, cost-effective solution to maintain and restore your heating system. This 500ml formula is as effective as branded alternatives but at half the price. Designed to remove sludge, scale, and debris, it boosts efficiency, extends the lifespan of your system, and ensures optimal performance.

MacDonald Plumbing Supplies Gate Type Pump Valve 22mm WRAS Approved

This Gate Type Pump Valve (22mm) with WRAS approval provides reliable flow control for pump systems.

MacDonald Plumbing Supplies MacValve 15mm & 22mm Pressure Reducing Valve & Gauge

The MacValve 15mm & 22mm Pressure Reducing Valve, complete with a pressure gauge, is designed to efficiently regulate and reduce pressure in plumbing and heating systems. With dual compatibility for 15mm and 22mm pipe sizes, this valve offers flexible installation and ensures system protection by controlling excessive water pressure. Adjustable outlet pressure between 1 and 6 bar with a factory pre-set of 3 bar.

MacDonald Plumbing Supplies MacValve 15mm WRAS Filling Loop Part L

The MacValve 15mm WRAS Filling Loop Part L is a reliable and compliant solution for refilling and maintaining pressure in domestic and commercial heating systems. Designed to meet Part L regulations and fully WRAS approved, it ensures safe operation while preventing backflow contamination. Suitable for use with boilers and other pressurised systems, this filling loop offers a straightforward and dependable method for topping up system pressure.

MacDonald Plumbing Supplies MacPress Long Tail Drain Off Valve Type A 15mm

The MacPress Long Tail Drain Off Valve Type A 15mm is a practical plumbing and heating component designed to provide a convenient point for draining water from compatible pipework and heating systems. Its long tail design offers additional reach for suitable installation requirements, while the Type A configuration identifies the specific valve style. Suitable for plumbers and heating engineers carrying out installation, maintenance and repair work, this drain off valve is a useful addition to a range of plumbing fittings. The 15mm size makes it suitable for compatible pipework, helping tradespeople access a dedicated drain point when servicing or emptying a system.