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.

Todays Tools Compression Nut Spanner 15mm/22mm CNS

The Todays Tools Compression Nut Spanner 15mm/22mm CNS is a purpose-designed plumbing tool for tightening and loosening 15mm and 22mm compression nuts with ease. Manufactured for durability and everyday professional use, its dual-size design eliminates the need for multiple spanners, making it an essential addition to any plumber's toolkit. Ideal for installation, servicing, and maintenance work, it provides excellent grip while helping to minimise damage to compression fittings

Press Mate Pro Press Lubrication 150ml

The Press Mate Pro Press Lubrication 150ml is a professional-grade dry lubricant designed to improve the performance and longevity of press tools. Formulated with natural oils, it delivers smoother, more consistent crimps while protecting seals and O-rings from damage. Suitable for most press jaws, it reduces friction, wear and drag, helping engineers achieve reliable results with minimal mess on every job.

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 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 MacValve 15mm x ⅜ Chrome Plated Brass Straight Flat Face Iso Valve

The MacValve 15mm x ⅜" Chrome Plated Brass Straight Flat Face Iso Valve is a compact and reliable valve designed for isolating water supply to taps and appliances with ⅜" connections. Featuring a 15mm compression inlet and a ⅜" BSP flat face outlet, it provides a secure and leak-resistant connection. Its straight design is ideal for neat, direct installations where space is limited.

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 MacValve 15mm x ½ Chrome Plated Brass Angled Flat Face Iso Valve

The MacValve 15mm x ½" Chrome Plated Brass Angled Flat Face Iso Valve is a high-quality isolation valve designed for controlling water flow to taps, appliances, and sanitary fittings. Featuring a 15mm compression inlet and a ½" BSP flat face outlet, it provides a secure and reliable connection. Its angled design makes it ideal for installations in tight or confined spaces.

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 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 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 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.

Todays Tools Olive Nipper 15mm-28mm OC

The Todays Tools Olive Cutter 15mm–28mm is a versatile and reliable tool designed for the efficient removal of compression olives without damaging pipework. Suitable for 15mm, 22mm and 28mm copper and brass olives, it eliminates the need for multiple tools on site. With a precision-engineered design and ergonomic grip, it ensures quick, safe and effortless olive removal, making it an essential addition to any plumber’s toolkit.

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 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 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 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 Brass Gate Valve Compression WRAS Approved 15mm

This 15mm brass gate valve is WRAS approved and provides reliable shut-off control for plumbing systems with its compression fitting.

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 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 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 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 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 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.

Speedfit 22mm x 15mm Reducer PEM062215W (Pack of 10)

The Speedfit 22mm x 15mm Reducer PEM062215W is designed to quickly and securely reduce pipe sizes from 22mm to 15mm. This push-fit fitting offers an easy installation process, with no tools required for fitting or removal. The reduced spigot end connects unequal sized pipes, making it ideal for plumbing applications where size reduction is necessary. It is flame-free and requires no hot works, glue, or flux, offering up to 40% faster installation than traditional methods. WRAS approved and designed for both hot and cold water and central heating systems, this fitting is manufactured in the UK and comes with a 50-year guarantee.  

Speedfit 15mm Equal Elbow PEM0315W (Pack of 10)

The Speedfit 15mm Equal Elbow PEM0315W enables secure, flame-free 90° connections between two equal-sized 15mm plastic or copper pipes. This Twist & Lock® push-fit fitting installs up to 40% faster than traditional plumbing methods and requires no tools or hot works, making it perfect for tight spaces. Ideal for hot and cold water and central heating systems, it’s WRAS approved and includes a 50-year guarantee.  

Speedfit 15mm Equal Tee PEM0215W (Pack of 5)

The Speedfit 15mm Equal Tee PEM0215W provides a fast and reliable way to connect three 15mm pipes. This push-fit fitting is ideal for plastic and copper pipe systems, ensuring easy installation with no tools or hot works required. The Twist & Lock® cap adds extra security and compression, making it perfect for use in confined spaces. WRAS approved, it is suitable for hot, cold, and central heating systems.  

Speedfit 15mm Straight Connector PEM0415W (Pack of 10)

Speedfit Straight Connector, ideal for plastic and copper pipes. Featuring a grip and seal connection, this connector ensures secure installation with a simple twist of a screw cap. Compatible with hot and cold water systems, lead-free, and WRAS approved, providing peace of mind for various plumbing applications.

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.

MacDonald Plumbing Supplies MacVent 15mm Auto Air Vent Compression

The MacVent 15mm Auto Air Vent Compression offers a high-quality solution to prevent trapped air in heating systems. Built from premium materials, it operates efficiently under pressures up to 10 bar and temperatures up to 100°C, providing consistent and reliable performance in residential and commercial heating applications.

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 MacPress Long Tail Drain Off Valve Type A 15mm

The MacPress Long Tail Drain Off Valve Type A 15mm offers efficient drainage for gas, LPG, and fuel oil systems. Approved by British Gas to EN 331 standards, this durable valve is ideal for residential and commercial applications, providing reliable performance in demanding environments.     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.