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 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 MacTap Push Down Clicker Basin Waste Slotted Chrome

The MacTap Push Down Clicker Basin Waste Slotted Chrome is a practical basin waste designed for use with slotted basins. Its push down clicker mechanism provides straightforward operation, allowing the waste to be opened and closed by pressing the top of the waste. The chrome finish provides a clean appearance that complements a range of bathroom fittings. A brass backnut provides a robust fixing component for installation. Suitable for plumbers, bathroom installers and DIY customers, this basin waste is a useful option for new installations, bathroom refurbishments and replacing an existing basin waste.

MacDonald Plumbing Supplies MacTap Push Down Clicker Basin Waste Unslotted Chrome

The MacTap Push Down Clicker Basin Waste Unslotted Chrome is a practical waste solution for suitable basin installations. Its unslotted design is intended for basins without an integral overflow, while the push down clicker mechanism provides simple opening and closing operation. The chrome finish gives a clean and coordinated appearance alongside other chrome bathroom fittings. A brass backnut provides a robust fixing component for installation. Suitable for plumbers, bathroom installers and DIY customers, it is a useful option for new bathroom installations, refurbishment projects and replacing an existing basin waste.

MacDonald Plumbing Supplies MacTap Flip Top Turnover Basin Waste Slotted Chrome

The MacTap Flip Top Turnover Basin Waste Slotted Chrome is a practical waste fitting designed for suitable slotted basin installations. Its flip top turnover mechanism provides straightforward operation for opening and closing the waste, making it suitable for everyday bathroom use. The chrome finish gives a clean appearance that complements other chrome bathroom fittings, while the brass backnut provides a robust fixing component during installation. Suitable for plumbers, bathroom installers and DIY customers, this basin waste is a useful choice for new installations, refurbishment work and replacing an existing slotted basin waste.

MacDonald Plumbing Supplies MacTap Mushroom Pop Up Basin Waste Slotted Chrome

The MacTap Mushroom Pop Up Basin Waste Slotted Chrome is a practical waste fitting for suitable slotted basin installations. Its mushroom style pop up design provides straightforward operation for opening and closing the waste, making it suitable for everyday bathroom use. The chrome finish gives a clean appearance that complements other chrome bathroom fittings, while the brass backnut provides a robust fixing component during installation. Suitable for plumbers, bathroom installers and DIY customers, this basin waste is a useful choice for new installations, bathroom refurbishments and replacing an existing slotted basin waste.

MacDonald Plumbing Supplies MacTap Round Head Tap Conversion Kit Fits 1/2 & 3/4

The MacTap Round Head Tap Conversion Kit Fits 1/2 & 3/4 provides a practical way to update old or damaged taps without necessarily replacing the complete tap fitting. Designed to fit both 1/2in and 3/4in taps, the kit offers flexibility for common plumbing applications. The chrome plated finish provides a clean appearance that can refresh the look of existing bathroom or utility fittings. It is a useful option for plumbers, maintenance teams and DIY customers carrying out straightforward tap repairs, refurbishment work or updating older fittings where the existing tap can be retained.

MacDonald Plumbing Supplies MacTap Cross Head Tap Conversion Kit Fits 1/2 & 3/4

The MacTap Cross Head Tap Conversion Kit Fits 1/2 & 3/4 provides a practical way to update old or damaged taps without replacing the complete tap fitting where the existing fitting is suitable for conversion. Designed to fit both 1/2in and 3/4in taps, the kit offers flexibility for common plumbing applications. The chrome plated finish provides a clean appearance, while the cross head design gives the finished tap a traditional look. It is a useful option for plumbers, maintenance teams and DIY customers carrying out tap repairs, refurbishment work or updating older fittings.

MacDonald Plumbing Supplies MacTap Lever Head Tap Conversion Kit Fits 1/2

The MacTap Lever Head Tap Conversion Kit Fits 1/2 provides a practical way to update old or broken taps without replacing the complete tap fitting where the existing fitting is suitable for conversion. Designed to fit 1/2in and 3/4in taps, the kit offers flexibility for common plumbing applications. The chrome plated finish provides a clean appearance, while the lever head design gives the finished tap a straightforward and practical appearance. It is a useful option for plumbers, maintenance teams and DIY customers carrying out tap repairs, refurbishment work or updating older fittings.

MacDonald Plumbing Supplies MacPress U-Profile Press Tool Kit MP-1930 (15mm to 35mm)

MacPress U-Profile Press Tool Kit MP-1930 is a compact and versatile mini press tool designed for professional installation of compatible copper, stainless steel, PEX and multilayer pipe and fittings. The kit includes four U-Profile jaws in 16mm, 20mm, 25mm and 32mm sizes, along with two batteries, a charger and a hard carry case. With a 19kN pressing force, two stage hydraulic ram and 180° rotatable head, the MP-1930 provides practical flexibility when working in different positions and confined spaces. Its lightweight 2.4kg design and approximately 250 cycles per charge make it well suited to regular trade use.

MacDonald Plumbing Supplies MacPress U-Profile Press Tool Kit PZ-1930 (15mm - 35mm)

MacPress U-Profile Press Tool Kit PZ-1930 is a compact and versatile mini press tool designed for efficient pressing of compatible copper, stainless steel, PEX and multilayer pipe and fittings. Supplied in a durable carry case, the kit includes U-Profile jaws, two batteries and a charger, providing a complete solution for professional installation work. With a 19kN pressing force, two stage hydraulic ram and approximately 180 cycles per charge, the PZ-1930 is designed to deliver reliable performance across a range of pressing applications. Its inline grip and compact 3.5kg assembled weight make it practical for regular use on site.

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 MacGlue 250ml Solvent Cement

The MacGlue 250ml Solvent Cement is a high-quality PVC solvent cement designed to create strong, permanent joints in compatible PVC pipe and fittings. Supplied in a convenient 250ml container, it provides a reliable bond for plumbing and drainage applications, ensuring secure and leak-resistant installations. Suitable for both professional plumbers and DIY users, it offers quick and easy application for new installations, repairs, and maintenance work.

MacDonald Plumbing Supplies MacWaste Access Plug 50mm Black

The MacWaste Access Plug 50mm Black is a durable waste pipe fitting designed to provide easy access into 50mm waste systems for inspection, maintenance, or clearing blockages. Manufactured from strong plastic with a black finish, it offers a secure and reliable sealing solution suitable for domestic and commercial installations.

MacDonald Plumbing Supplies MacWaste Access Plug 50mm White

The MacWaste Access Plug 50mm White is a durable waste pipe fitting designed to provide easy access into 50mm waste systems for inspection, maintenance, or clearing blockages. Manufactured from strong plastic with a clean white finish, it offers a secure and reliable sealing solution suitable for domestic and commercial installations.

MacDonald Plumbing Supplies MacWaste Access Plug 32mm Black

The MacWaste Access Plug 32mm Black is a durable waste pipe fitting designed to provide easy access into 32mm waste systems for inspection, maintenance, or clearing blockages. Manufactured from strong plastic with a black finish, it offers a secure and reliable sealing solution suitable for domestic and commercial installations.

MacDonald Plumbing Supplies MacWaste Access Plug 32mm White

The MacWaste Access Plug 32mm White is a durable waste pipe fitting designed to provide easy access into 32mm waste systems for inspection, maintenance, or clearing blockages. Manufactured from strong plastic with a clean white finish, it offers a secure and reliable sealing solution suitable for domestic and commercial installations.

MacDonald Plumbing Supplies MacWaste Access Plug 40mm White

The MacWaste Access Plug 40mm White is a durable waste pipe fitting designed to provide easy access into 40mm waste systems for inspection, maintenance, or clearing blockages. Manufactured from strong plastic with a clean white finish, it offers a secure and reliable sealing solution suitable for domestic and commercial 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 MacPress M-Profile Press Tool Kit PZ-1550 (15mm – 54mm)

The MacPress M-Profile Press Tool Kit PZ-1550 (15mm – 54mm) is a robust, full-range press fitting solution designed for high performance across domestic, commercial and industrial installations. Supplied in a durable carry case, the kit includes six M-profile jaws covering 15mm, 22mm, 28mm, 35mm, 42mm and 54mm pipe sizes, giving installers the complete capability needed for larger scale systems. The PZ-1550 delivers a rapid press cycle of approximately four seconds and features an LED cycle monitor to track usage and service intervals. Built for two handed operation with a comfortable inline grip, this tool provides dependable pressing power for demanding environments and high output workloads.     For more information, please follow the link here.   For jaw compatibility, please follow the link here.  

MacDonald Plumbing Supplies MacPress M-Profile Press Tool Kit PZ-1930 (15mm – 35mm)

The MacPress M-Profile Press Tool Kit PZ-1930 (15mm – 35mm) is a compact, professional grade press fitting solution designed for installers who require reliability, versatility and consistent performance. Supplied in a durable storage case, the kit includes 15mm, 22mm, 28mm and 35mm M-profile jaws, two long lasting batteries and a charger. The lightweight PZ-1930 press tool features an inline ergonomic grip that allows for controlled handling in both open and tight working environments. Suitable for pressing copper, stainless steel, PEX and multilayer pipework, this kit offers fast charging, high cycle capacity and dependable operation for everyday use across domestic and commercial installations.    For more information, please follow the link here.   For jaw compatibility, please follow the link here.  

MacDonald Plumbing Supplies MacPress TH Profile Jaw 4 Piece Kit 16mm 20mm 26mm 32mm

The MacPress TH Profile Jaw 4 Piece Kit 16mm 20mm 26mm 32mm is a complete set of TH profile jaws designed for use with the PZ-1930 & MP-1930 press tool. Covering the most commonly used pipe sizes, this kit ensures precise and reliable pressing for multilayer composite pipes (MLCP) in both hot and cold water systems. Ideal for domestic, commercial, and industrial installations, the set allows installers to switch quickly between sizes, maintaining consistent press quality and efficiency. Built to professional standards, these jaws provide durability, accuracy, and long-term performance on every job.   For more information, please follow the link here Compatibility information, please follow the link here

MacDonald Plumbing Supplies MacPress U Profile 16mm 20mm 25mm & 32mm Jaw Set

The MacPress U Profile 16mm 20mm 25mm & 32mm Jaw Set is a complete professional kit designed for installers working with multilayer (MLCP) pipe systems across a range of common pipe diameters. Each jaw is engineered for accurate U-profile press connections and slots directly into the PZ-1930 & MP-1930 press tool using the secure swivel pin locking mechanism. This set offers the versatility needed for domestic, commercial and light industrial applications, ensuring fast, consistent and leak-free results. Supplied as a matched set, it gives installers a reliable and convenient solution for a wide variety of MLCP installations. For more information, please follow the link here Compatibility information, please follow the link here

MacDonald Plumbing Supplies MacPress V Profile Jaw 22mm For PZ-1930 & MP-1930

The MacPress V Profile Jaw 22mm For PZ-1930 & MP-1930 is a professional-grade jaw designed specifically for pressing 22 mm V-profile fittings. Compatible with the PZ-1930 & MP-1930 Z-Press tool, it allows installers to swap quickly between pipe sizes, improving workflow efficiency. Ideal for underfloor heating, central heating, and hot water systems, this jaw ensures secure, leak-free connections. Suitable for copper, stainless steel, and PEX pipes, it is an essential tool for professional installers requiring reliable performance and precise press-fit results.   For more information, please follow the link here Compatibility information, please follow the link here

MacDonald Plumbing Supplies MacPress V Profile Jaw 28mm For PZ-1930 & MP-1930

The MacPress V Profile Jaw 28mm For PZ-1930 & MP-1930 is a precision-engineered jaw designed for pressing 28 mm V-profile fittings. Compatible with the PZ-1930 & MP-1930 Z-Press tool, it allows installers to switch quickly between pipe sizes, improving workflow efficiency on site. Ideal for underfloor heating, central heating, and hot water systems, this jaw ensures secure, leak-free connections. Suitable for copper, stainless steel, and PEX pipe, it is a trusted accessory for professional installers requiring accuracy, durability, and consistent press-fit results.   For more information, please follow the link here Compatibility information, please follow the link here

MacDonald Plumbing Supplies MacPress V Profile Jaw 3 Piece Kit 15mm, 22mm, & 28mm for PZ-1930 & MP-1930

The MacPress V Profile Jaw 3 Piece Kit 15mm, 22mm, & 28mm for PZ-1930 & MP-1930 provides installers with a complete set of V-profile jaws for pressing the most commonly used pipe sizes. Designed for use with the PZ-1930 & MP-1930 Z-Press tool, each jaw offers fast, dependable and leak-free crimping across copper, stainless steel and PEX systems. Ideal for underfloor heating, central heating and hot water installations, this versatile kit enables rapid jaw changes to improve workflow and reduce downtime on site. Built for professional use, it delivers reliability, strength and precision for every press.   For more information, please follow the link here Compatibility information, please follow the link here

MacDonald Plumbing Supplies MacPress M Profile Jaw 42mm For PZ-1550

The MacPress M Profile Jaw 42mm For PZ-1550 is a high-quality pressing jaw designed for direct use with the PZ-1550 hydraulic battery press tool, requiring no adaptor. It enables precise and reliable pressing of 42 mm M-profile copper fittings, delivering secure, leak-free connections for heating, hot water, and general plumbing installations. Built for professional installers, it ensures consistent performance, efficiency on site, and long-term durability.   For more information, please follow the link here Compatibility information, please follow the link here

MacDonald Plumbing Supplies MacPress M Profile Jaw 7 Piece Kit 15mm - 54mm for PZ-1550 Inc. Adaptor

The MacPress M Profile Jaw 7 Piece Kit 15mm - 54mm for PZ-1550 Inc. Adaptor is a comprehensive set designed for professional installers working with M-profile copper fittings. Compatible with the PFTOOL1554, this kit includes six jaw sizes (15mm, 22mm, 28mm, 35mm, 42mm, 54mm) and a jaw adaptor, allowing seamless use with the PZ-1550 press tool. Ideal for heating, hot water, and general plumbing applications, it provides quick jaw changes, reliable performance, and leak-free press connections for all common M-profile pipe sizes. For more information, please follow the link here Compatibility information, please follow the link here

MacDonald Plumbing Supplies MacPress V Profile Jaw 15mm For PZ-1930 & MP-1930

The MacPress V Profile Jaw 15mm For PZ-1930 & MP-1930 is a specialised jaw designed for pressing 15 mm V-profile fittings. Easily attached to the PZ-1930 & MP-1930 Z-Press tool, it allows for quick swaps between pipe sizes, improving workflow efficiency on site. Ideal for underfloor heating, central heating, and hot water systems, this jaw ensures leak-free connections and consistent performance. Compatible with copper, stainless steel, and PEX pipe, it is a trusted choice for professional installers seeking precision and reliability in HVAC and plumbing applications.   For more information, please follow the link here Compatibility information, please follow the link here

MacDonald Plumbing Supplies MacPress Spare Charger With Lead

The Spare Charger With Lead For MacPress Press Tool is an essential replacement accessory for keeping your MacPress press tool fully powered and ready for daily plumbing work. Designed specifically for MacPress battery-operated tools, this charger provides fast, reliable charging to minimise downtime on site. Whether your original charger has been misplaced, damaged, or you simply want an additional unit for convenience, this spare charger ensures you always have a dependable power source available.

MacDonald Plumbing Supplies MacSil General Purpose Silicone Clear

The MacSil General Purpose Silicone Clear is a premium 280ml adhesive and sealant designed for professional and domestic use where a transparent finish is required. Its mould-resistant formula provides long-lasting protection and a clean, watertight seal that blends seamlessly with any surface. Offering excellent adhesion to glass, ceramics, and metal, this versatile clear silicone is ideal for use in kitchens, bathrooms, and utility areas. Easy to apply and smooth, it delivers a professional-grade finish for both tradespeople and DIY applications.

MacDonald Plumbing Supplies MacSil General Purpose Silicone White

The MacSil General Purpose Silicone White is a premium-quality 280ml adhesive and sealant designed for a wide range of professional and domestic applications. Its mould-resistant formula ensures lasting protection and a clean, smooth finish, even in humid environments like kitchens and bathrooms. With excellent adhesion to glass, ceramics, and metal, this white silicone provides a flexible, watertight seal for joints, gaps, and fixtures. Easy to apply and designed for long-term performance, it’s perfect for both tradespeople and DIY users seeking a professional finish.

MacDonald Plumbing Supplies Rubber Lined Pipe Clamp 26mm - 30mm

The Rubber Lined Pipe Clamp 26mm - 30mm provides a secure and practical solution for fixing pipework in plumbing, heating, and mechanical installations. Designed to fit pipe sizes from 26mm to 30mm, this clamp features a Bright Zinc Plated (BZP) finish that offers excellent corrosion resistance and long-lasting durability. The integrated rubber lining ensures a firm hold while reducing vibration and minimising noise, protecting both the pipework and the surrounding structure. With its M8/M10 combi nut connection, this clamp offers versatile installation options and is trusted by professionals for strong and dependable pipe support.

MacDonald Plumbing Supplies Rubber Lined Pipe Clamp 21mm - 26mm

The Rubber Lined Pipe Clamp 21mm - 26mm is a dependable pipe fixing solution designed to support and secure pipework efficiently. Suitable for pipes within the 21mm to 26mm range, it features a durable BZP (Bright Zinc Plated) finish for rust resistance and longevity. Its integrated rubber lining reduces vibration and minimises noise, providing both protection for the pipe and a quieter installation. With an M8/M10 combi nut connection, it ensures flexibility and ease of fitting, making it a popular choice for plumbers, heating engineers, and contractors.

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 Thermostatic Mixing Valve 15mm WRAS Approved TMV15

The Thermostatic Mixing Valve 15mm WRAS Approved TMV15 is an essential safety component for domestic and commercial plumbing systems, regulating water temperature to prevent scalding. Ideal for basins, baths, and showers, this TMV15 valve blends hot and cold water to a controlled output temperature. WRAS approved and thermostatically controlled, it delivers reliable performance and is fully compliant with TMV2 standards for healthcare and residential use. Simple to install and maintain, it enhances user safety and efficiency in water systems.

MacDonald Plumbing Supplies Chrome Plated Isolating Valve With Black Lever 15mm WRAS

Chrome Plated Isolating Valve With Black Lever 15mm WRAS. Designed for both form and function, this high-quality valve features a sleek chrome-plated finish paired with a striking black lever handle for effortless control and modern appeal. Engineered for 15mm pipework, it provides easy isolation of water flow during maintenance or repairs. Suitable for both domestic and commercial systems, this WRAS approved valve delivers reliable performance and refined aesthetics.

MacDonald Plumbing Supplies Thermostatic Mixing Valve 22mm WRAS Approved TMV22

The Thermostatic Mixing Valve 22mm WRAS Approved TMV22 is designed to ensure safe and reliable water temperature regulation in both domestic and commercial plumbing systems. This high-performance valve blends hot and cold water to deliver a consistent, pre-set temperature, preventing the risk of scalding. Fully WRAS approved and compliant with TMV2 standards, the TMV22 is perfect for larger systems, including communal bathrooms, healthcare facilities, and care homes. It features 22mm compression ends, internal check valves, and strainers for maximum safety and performance.

MacDonald Plumbing Supplies MacPress M-Profile Press Tool Kit MP-1930 (15mm – 35mm)

The M-Profile Press Tool Kit MP-1930 is a lightweight, high-performance mini press tool designed for copper, stainless steel, PEX, and multilayer pipes. Supplied in a tough carry case, this professional-grade tool comes complete with 15mm, 22mm, 28mm, and 35mm M-profile jaws, two powerful batteries, and a fast charger. The MP-1930 uses a direct drive motor system—without hydraulics—offering efficient pressing action, minimal maintenance, and fast press cycles of 2–4 seconds. Its inline grip and optional 180º jaw adaptor make it ideal for working in tight or awkward spaces. Brushless motor technology ensures a long runtime and quick 40-minute charge.   For more information, please follow the link here.   For technical specifications, please follow the link here.  

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 MacValve Pushfit Stem Elbow 15mm x 10mm Chrome Plated

The MacValve Pushfit Stem Elbow 15mm x 10mm Chrome Plated is the perfect solution for creating angled connections in confined plumbing spaces. This pushfit fitting is designed for rapid, tool-free installation—just push to connect and achieve a strong, leak-resistant joint. With its corrosion-resistant chrome finish, it offers both durability and professional appearance, making it ideal for residential and commercial plumbing jobs.  

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 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 15mm x ½ Chrome Plated Brass Straight Flat Face Iso Valve

The MacValve 15mm x ½" Chrome Plated Brass Straight Flat Face Iso Valve is a durable and reliable solution for isolating water supply to taps and appliances. Featuring a 15mm compression inlet and a ½" BSP flat face outlet, it provides a clean and secure connection. Its straight design is ideal for installations where a direct pipe run is required.

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 PACK OF 10 PTFE Tape 12mts x 12mm WRAS Approved

The PTFE Tape 12mts x 12mm WRAS Approved roll is an essential sealing product for creating reliable, watertight connections on threaded fittings. Measuring 12 metres in length and 12mm in width, it is ideally suited for a wide range of general plumbing, heating and potable water applications. WRAS approval ensures compliance with UK water regulations, making it suitable for use on systems carrying drinking water. Manufactured to BS7786:1995 Grade L standards, this PTFE tape provides dependable joint sealing performance, helping prevent leaks and ensuring secure, long lasting threaded connections across domestic and commercial pipework installations.

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 NovoPress ACO103 c/w MacPress 15mm, 22mm, 28mm & 35mm Standard M Profile Jaws (NB1)

The NovoPress ACO103 c/w MacPress 15mm, 22mm, 28mm & 35mm Standard M Profile Jaws is a complete pressing solution designed for fast, efficient, and reliable pipe installations. Supplied with batteries, charger, carry case, and a full set of MacPress M Profile jaws, this kit is ideal for professional plumbers looking for a versatile and cost-effective press tool system. We have sold over 400 sets of MacPress Jaws in the last 9 months & customer feedback has been amazing - They are the perfect fit for NovoPress ACO102 & ACO103 making this bundle a great value price! PLEASE NOTE: These Jaws are not Official Approved NovoPress as they sell their own version

MacDonald Plumbing Supplies MacAntifreeze Valve 28mm V2

The MacAntifreeze Valve 28mm V2 is a highly effective solution for protecting heat source pump systems from freezing temperatures. Automatically activating when the temperature drops to 3°C, this valve opens the flow and return circuit to prevent ice formation, safeguarding the system from potential damage. With no need for glycol or ongoing maintenance, it offers a cost-effective and low-maintenance solution to ensure smooth operation in cold weather.

MacDonald Plumbing Supplies MacPress M Profile Jaw 3 Piece Kit 15mm 22mm & 28mm Set & Case

The MacPress M Profile Jaw 3 Piece Kit 15mm, 22mm & 28mm Set with Case provides professional installers with the three most commonly used M profile press jaws in one convenient package. Designed for use with the MacPress PZ-1930 and MP-1930 press tools, this kit delivers accurate, consistent pressing across a wide range of plumbing and heating applications. Supplied in a durable carry case for safe storage and transport, it is an essential addition to any professional press tool system.   For more information, please follow the link here Compatibility information, please follow the link here

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 MacSil General Purpose Silicone White

The MacSil General Purpose Silicone White is a premium-quality 280ml adhesive and sealant designed for a wide range of professional and domestic applications. Its mould-resistant formula ensures lasting protection and a clean, smooth finish, even in humid environments like kitchens and bathrooms. With excellent adhesion to glass, ceramics, and metal, this white silicone provides a flexible, watertight seal for joints, gaps, and fixtures. Easy to apply and designed for long-term performance, it’s perfect for both tradespeople and DIY users seeking a professional finish.

MacDonald Plumbing Supplies MacChem 18Ltr Stainless Steel Dosing Pot (DPSS18)

Explore the 18Ltr Stainless Steel Dosing Pot (DPSS18), featuring durable 304 stainless steel construction, a polished finish, and wall mounting brackets. Ideal for closed systems, this dosing pot facilitates the addition of water treatments and chemicals without the need for system shutdown.

MacDonald Plumbing Supplies MacChem 25Ltr Stainless Steel Dosing Pot (DPSS25)

Explore the 25Ltr Stainless Steel Dosing Pot (DPSS25), featuring durable 304 stainless steel construction, a polished finish, and wall mounting brackets. Ideal for closed systems, this dosing pot facilitates the addition of water treatments and chemicals without the need for system shutdown.

MacDonald Plumbing Supplies MacChem 11Ltr Stainless Steel Dosing Pot (DPSS11)

Explore the 11Ltr Stainless Steel Dosing Pot (DPSS11), featuring durable 304 stainless steel construction, a polished finish, and wall mounting brackets. Ideal for closed systems, this dosing pot facilitates the addition of water treatments and chemicals without the need for system shutdown.

MacDonald Plumbing Supplies MacChem 6Ltr Stainless Steel Dosing Pot (DPSS06)

Explore the 6Ltr Stainless Steel Dosing Pot (DPSS06), featuring durable 304 stainless steel construction, a polished finish, and wall mounting brackets. Ideal for closed systems, this dosing pot facilitates the addition of water treatments and chemicals without the need for system shutdown.

MacDonald Plumbing Supplies MacChem 3.5Ltr Stainless Steel Dosing Pot (DPSS03.5)

Explore the 3.5Ltr Stainless Steel Dosing Pot (DPSS03.5), featuring durable 304 stainless steel construction, a polished finish, and wall mounting brackets. Ideal for closed systems, this dosing pot facilitates the addition of water treatments and chemicals without the need for system shutdown.

MacDonald Plumbing Supplies MacVent 15mm Compression Air Vent

The MacVent 15mm Compression Air Vent is a versatile manual air vent designed for use with 15mm compression fittings in heating, cooling, and other wet systems. Manufactured from durable brass, it can replace a standard 15mm olive to provide a convenient venting point. Suitable for both temporary and permanent applications, it offers a reusable and practical solution for installers working on vented and unvented systems.

MacDonald Plumbing Supplies MacPress Female Elbow 28mm x 1" - WATER

  The MacPress Female Elbow 28mm x 1" is a professional-grade copper press fitting designed for potable water, heating, and hot water systems. Featuring a WRAS-approved M-profile and robust construction, it provides a reliable and permanent leak-free connection. 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 Reducing Tee 54mm x 54mm x 28mm - WATER

The MacPress Reducing Tee (54mm x 54mm x 28mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 54mm x 54mm x 42mm - WATER

The MacPress Reducing Tee (54mm x 54mm x 42mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 42mm x 42mm x 15mm - WATER

The MacPress Reducing Tee (42mm x 42mm x 15mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 54mm x 54mm x 22mm - WATER

The MacPress Reducing Tee (54mm x 54mm x 22mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 42mm x 42mm x 28mm - WATER

The MacPress Reducing Tee (42mm x 42mm x 28mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 42mm x 42mm x 22mm - WATER

The MacPress Reducing Tee (42mm x 42mm x 22mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 42mm x 42mm x 35mm - WATER

The MacPress Reducing Tee (42mm x 42mm x 35mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 35mm x 35mm x 28mm - WATER

The MacPress Reducing Tee (35mm x 35mm x 28mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 35mm x 35mm x 22mm - WATER

The MacPress Reducing Tee (35mm x 35mm x 22mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 35mm x 35mm x 15mm - WATER

The MacPress Reducing Tee (35mm x 35mm x 15mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 28mm x 22mm x 28mm - WATER

The MacPress Reducing Tee (28mm x 22mm x 28mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 28mm x 22mm x 22mm - WATER

The MacPress Reducing Tee (28mm x 22mm x 22mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 28mm x 28mm x 22mm - WATER

The MacPress Reducing Tee (28mm x 28mm x 22mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 28mm x 28mm x 15mm - WATER

The MacPress Reducing Tee (28mm x 28mm x 15mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 22mm x 15mm x 15mm - WATER

The MacPress Reducing Tee (22mm x 15mm x 15mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 22mm x 15mm x 22mm - WATER

The MacPress Reducing Tee (22mm x 15mm x 22mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 Reducing Tee 22mm x 22mm x 15mm - WATER

The MacPress Reducing Tee (22mm x 22mm x 15mm) is a WRAS approved press fitting designed for potable water, heating, and hot 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 MacValve Angled Isolating Valve CP 15mm x 15mm

The MacValve Angled Isolating Valve CP 15mm x 15mm is a high-quality compression valve designed to provide reliable water isolation while creating a neat and professional pipework installation. Featuring a durable chrome plated finish and an angled design, it is ideal for use in kitchens, bathrooms, utility rooms, and general plumbing applications. Easy to operate with a standard screwdriver, it allows quick isolation of the water supply for maintenance, repairs, or appliance replacement without shutting down the entire system.