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 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 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 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 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 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 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 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 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.