MacDonald Plumbing Supplies Brass ¾ Cap

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

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

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

MacDonald Plumbing Supplies MacValve Bottom Fill Valve ½ Brass Tail

The MacValve Bottom Fill Valve ½ Brass Tail is a reliable and efficient solution for modern toilet cistern installations. Designed for consistent performance, it delivers smooth and quiet water refilling, making it ideal for both domestic and commercial environments. The robust ½ brass connection ensures long lasting durability, while the bottom entry design offers a neat and discreet installation that suits a wide range of cistern types. With a quick water stop function and precise water control, this valve helps maintain efficient flushing performance and reduces unnecessary water wastage. Its WRAS approval confirms full compliance with UK water regulations, giving installers complete confidence in its quality and reliability.

MacDonald Plumbing Supplies MacValve Side Fill Valve ½ Brass Tail

The MacValve Side Fill Valve ½ Brass Tail is a reliable, high-performance side entry valve designed to deliver smooth, quiet and efficient water filling in cisterns. Built with a durable ½ inch brass connection, it ensures long-lasting strength and compatibility across a wide range of installations. This valve is easy to fit, quick to adjust and engineered for dependable shut-off, helping prevent overfilling while maintaining consistent water flow. With its WRAS approval, the MacValve Side Fill Valve offers trusted compliance and reassurance for both domestic and commercial plumbing systems.

MacDonald Plumbing Supplies MacCompression Liners for MDPE 25mm

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

MacDonald Plumbing Supplies 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 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 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 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 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 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 MacValve 15mm x ½ Male Iron Monobloc Tail Adaptor

The MacValve 15mm x ½" Male Iron Monobloc Tail Adaptor is a practical solution for converting standard 15mm valves or flexi tap connectors into a flat face connection. Designed specifically for use with monobloc taps featuring flexible tails and ½" swivel nuts, this adaptor fits neatly into an isolating valve to provide a reliable flat face sealing surface. Ideal for both new installations and replacement work, it ensures a secure and professional connection while helping to eliminate leaks caused by mismatched fittings. Suitable for everyday plumbing applications, it offers convenience, compatibility, and dependable performance.

MacDonald Plumbing Supplies MacValve 15mm x ⅜ Male Iron Monobloc Tail Adaptor

The MacValve 15mm x 3/8" Male Iron Monobloc Tail Adaptor is designed to convert standard 15mm valves or flexi tap connectors into a flat face connection suitable for monobloc taps with 3/8" flexible tails. By fitting directly into an isolating valve, it provides a clean, flat sealing surface for the swivel nut on the tap tail, helping to achieve a secure and leak-free installation. Ideal for both new installations and replacement work, this adaptor offers a simple and effective solution for modern tap connections in domestic and commercial plumbing applications.

MacDonald Plumbing Supplies Red & Blue Lever Ball Valve 22mm Full Bore WRAS Approved

The Red & Blue Lever Ball Valve 22mm Full Bore WRAS Approved provides a reliable and efficient solution for controlling water flow in plumbing systems. Featuring a full bore design, it allows unrestricted water passage, minimising pressure drop and maximising system efficiency. The dual-colour lever handles (red for hot and blue for cold) ensure clear identification, simplifying installation and maintenance. WRAS approved, this valve meets stringent UK standards for potable water, ensuring safety and compliance. Suitable for both domestic and commercial applications, it delivers long-lasting performance, durability, and ease of use.

MacDonald Plumbing Supplies Red & Blue Lever Ball Valve 15mm Full Bore WRAS Approved

The Red & Blue Lever Ball Valve 15mm Full Bore WRAS Approved is a high-quality valve designed for reliable flow control in plumbing systems. With a full bore design, it allows unrestricted water flow, reducing pressure loss and enhancing system efficiency. The dual-colour lever handles (red for hot and blue for cold) provide clear identification, making installation and maintenance simple and safe. WRAS approved, this valve meets strict UK standards for potable water applications, ensuring compliance and safety. Ideal for both domestic and commercial installations, it delivers robust performance, long service life, and ease of use.

MacDonald Plumbing Supplies MacCompression Stop End 22mm

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

MacDonald Plumbing Supplies MacCompression 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 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 WRAS Approved Flexi Tap Connector 15mm x 1/2" x 300mm

The WRAS Approved Flexi Tap Connector 15mm x 1/2" x 300mm is a high-quality flexible plumbing connector designed to provide a secure and leak-free connection between a tap and the water supply pipe. With a durable stainless steel braided outer layer and EPDM rubber inner tube, it offers excellent flexibility, strength, and resistance to corrosion. WRAS approval ensures suitability for potable water systems and compliance with water regulations.

MacDonald Plumbing Supplies WRAS Approved Flexi Tap Connector with Isolator 15mm x 1/2" x 300mm

The WRAS Approved Flexi Tap Connector with Isolator 15mm x 1/2" x 300mm is a high-quality flexible plumbing connector designed to provide a secure and convenient connection between a tap and the water supply. Featuring an integrated isolator valve, it allows water flow to be shut off at the point of connection for easy maintenance and servicing. Constructed with a stainless steel braided outer layer and EPDM inner tube, it offers durability, flexibility, and WRAS approved safety for potable water systems.

MacDonald Plumbing Supplies MacValve 15mm WRAS Filling Loop Part L

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

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

The MacPress Long Tail Drain Off Valve Type A 15mm 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.