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.

Rob Pond PressFit 22mm Perfect Pump Valve Pair

The Rob Pond PressFit 22mm Perfect Pump Valve Pair PPV22-PF provides a reliable and efficient solution for connecting circulating pumps in heating systems. Designed with 22mm M profile press connections and 1½" swivel unions, these valves allow quick installation and secure pump isolation. Manufactured from durable nickel plated brass and rated to 16 bar, they offer excellent strength and long-term reliability. Supplied as a matched pair with rubber washers, they ensure a tight seal and simplify installation for professional heating engineers.

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 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 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.

Rob Pond Washing Machine Valve Cap ¾

The Rob Pond 3/4" Washing Machine Valve Cap - WMVCAP is a replacement cap designed specifically for washing machine valves.

MacDonald Plumbing Supplies 15mm Blue Butterfly Valve

Our 15mm Blue Butterfly Valve provides efficient flow control for plumbing systems.

MacDonald Plumbing Supplies 15mm Red Butterfly Valve

Our 15mm Red Butterfly Valve - BBV15R provides efficient flow control for plumbing systems.

MacDonald Plumbing Supplies 22mm Blue Butterfly Valve

Our 22mm Blue Butterfly Valve provides efficient flow control for plumbing systems.

MacDonald Plumbing Supplies 22mm Red Butterfly Valve

Our 22mm Red Butterfly Valve provides efficient flow control for plumbing systems.

Regin 1/2" Fibre Washer Y.I.F - REGQ121

REGQ121 - 1/2" Fibre Washer Y.I.F

Todays Tools 144Pc Popular Plumbers Washer Set PLW

The Todays Tools 144Pc Popular Plumbers Washer Set PLW contains a comprehensive selection of commonly used rubber and fibre washers for everyday plumbing and maintenance work. With 144 washers covering a range of popular sizes and types, this handy set provides a convenient solution for repairs, servicing and installation work. Supplied as a practical assortment, it is ideal for plumbers, heating engineers and DIY users who need a selection of replacement washers readily available.

MacDonald Plumbing Supplies MacValve 1/2 Wallplate with 15mm x 350mm Copper Tube

Streamline your plumbing projects with our 1/2" Wallplate featuring a 15mm x 350mm Copper Tube. This comprehensive package offers a convenient solution for connecting your plumbing system securely and efficiently.

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 Brass Stopcock 22mm WRAS Approved

This WRAS approved 22mm brass stopcock provides reliable control over water flow, making it an essential component for plumbing systems.

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 WRAS Approved Double Check Valve 15mm

This WRAS approved double check valve (15mm) provides reliable backflow prevention and is an essential component for plumbing systems.

MacDonald Plumbing Supplies Brass Gate Valve Compression WRAS Approved 22mm

This 22mm brass gate valve is WRAS approved and provides reliable shut-off control for plumbing systems with its compression fitting.

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 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 Brass Stopcock 15mm WRAS Approved

This WRAS approved 15mm brass stopcock provides reliable control over water flow, making it an essential component for plumbing 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 Gate Type Pump Valve 22mm WRAS Approved

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

MacDonald Plumbing Supplies Chrome Plated Isolating Valve Full Bore 15mm

This full bore 15mm chrome plated isolating valve combines style and functionality, providing reliable water flow control for plumbing systems.

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 Chrome Plated 15mm Iso Valve - WRAS Approved

Upgrade your water control system with our Chrome Plated 15mm Contract Iso Valve. This valve is designed to provide efficient and reliable shut-off functionality, making it an essential component in any plumbing installation.

MacDonald Plumbing Supplies MacValve Hose Union Bib Tap 1/2 WRAS Approved

The 1/2" Hose Union Bibtap VHBT EN1213 is a durable and reliable solution for your outdoor water supply needs. Designed for easy hose connection, this bibtap provides a convenient way to access water for gardening, cleaning, and other outdoor tasks.

Fluidmaster PRO45B PRO Bottom Entry Fill Valve With Heavy Duty Brass Shank

The Fluidmaster PRO45B PRO Bottom Entry Fill Valve with Heavy Duty Brass Shank is the preferred choice for professional plumbers. Designed for durability and efficiency, it features an ultra-quiet operation, adjustable height from 230mm to 355mm, and an anti-siphon design to prevent water contamination. This fill valve ensures long-lasting performance and fast refilling, making it a reliable addition to any toilet system.

Regin 3/4" Washing Machine Hose Washer - REGQ195

REGQ195 - 3/4" Washing Machine Hose Washer These fit our 3/4" Brass Caps to give a good seal 

Regin Drain Off Valve Washer (20pk) REGQ192

REGQ192 - Pack of 20 Drain Off valve Washers You never have these on the van when you need one!! Removing these is never easy when they are stuck! This handy tool is perfect for removing stuck washers - Order the Hook & Pick Set 

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.

Rob Pond 22mm Self Cutting Tap Adaptor

he Rob Pond 22mm Self Cutting Tap Adaptor is a reliable solution for connecting taps to 22mm pipes, providing convenience and a secure connection. This very handy Self Cutting Adaptor is for use in conjunction with Rob Pond 15mm Self Cutting Drain off Cock or Self Cutting Isolation Valve and allows you to fit them to 22mm Copper Pipe quickly & easily Applications: Draining Down: Used in conjunction with the Rob Pond Self Cutting Drain Off Cock, this adaptor allows you to drain live heating systems from 22mm Copper pipe. Ideal when you cannot find or access existing drain points. Branching off existing 22mm Pipework: Used in conjunction with the Rob Pond Self Cutting Isolation Valve, this adaptor allows you to connect new pipe work to existing 22mm Copper pipe on live plumbing & heating systems

Rob Pond Self Cutting Drain Off Cock

The Self Cutting Drain Off Cock is a practical and efficient solution for draining water from plumbing and heating systems without the need for pipe cutting or system dismantling. Designed for quick installation on 15mm copper pipe, it allows plumbers to create an instant drain point even when existing drain valves are inaccessible. Ideal for emergency work and maintenance tasks, this reusable tool enables fast, clean system draining with minimal spillage, making it an essential addition to any professional plumbing kit.

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.

MacDonald Plumbing Supplies MacValve 15mm Type A Brass Drain Off Valve

The MacValve 15mm Type A Brass Drain Off Valve is a robust and essential component for ensuring efficient water drainage in plumbing systems. Suitable for both residential and commercial applications, this high-quality valve is designed for durability, corrosion resistance, and ease of use. Perfect for draining radiators, heating systems, and other water-filled equipment.