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 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 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.

Speedfit 15mm x 10mm Reducer PEM061510W (Pack of 10)

The Speedfit 15mm x 10mm Reducer PEM061510W is a push-fit fitting designed to connect two Speedfit fittings of unequal sizes, reducing the line size effectively and securely. The reducer features a reduced spigot end, making it ideal for joining 15mm and 10mm pipes. It is quick and easy to install and demount without tools, offering a simple solution for reducing pipe sizes without the need for hot works or additional tools. WRAS approved, this fitting is perfect for both hot and cold water systems. Designed and manufactured in the UK with a 50-year guarantee.  

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 28mm x 15mm Reducer PEM062815W (Pack of 5)

The Speedfit 28mm x 15mm Reducer PEM062815W offers a quick and secure solution to reduce the pipe size from 28mm to 15mm. Designed for both plastic and copper pipes, this push-fit fitting eliminates the need for hot works, glue, or flux, providing a faster, tool-free installation. Ideal for applications where a line size reduction is needed, the fitting’s Grip & Seal™ collet ensures a tight and secure connection. It is suitable for use with hot and cold water systems and central heating. Manufactured in the UK, it comes with a 50-year guarantee.  

Speedfit 28mm x 22mm Reducer PEM062822W (Pack of 5)

The Speedfit 28mm x 22mm Reducer PEM062822W offers an efficient and reliable solution to reduce the pipe size from 28mm to 22mm. This push-fit fitting allows quick, tool-free installation of plastic or copper pipe, making it up to 40% faster to install compared to traditional methods. The Grip & Seal™ collet ensures a tight, secure connection while the Twist & Lock® cap adds compression. This fitting is ideal for use with hot and cold water systems and central heating. Designed, manufactured, and assembled in the UK, it comes with a 50-year guarantee.

Speedfit Unequal Straight Connector 15mm x 10mm PEM201510W (Pack Of 10)

The Speedfit 15 x 10mm Reducing Straight Coupler PEM201510W is a quick and reliable solution for connecting two unequal pipe sizes (15mm to 10mm). This push-fit fitting simplifies installation by eliminating the need for tools, hot works, or glue. Designed for both plastic and copper pipes, it ensures a secure and flame-free connection. The Grip & Seal™ collet and Twist & Lock® cap provide added security and compression. This fitting is WRAS approved, compatible with hot and cold water systems, and suitable for central heating. It is designed, manufactured, and assembled in the UK and comes with a 50-year guarantee.  

Speedfit Unequal Straight Connector 22mm x 15mm PEM202215W (Pack of 5)

The Speedfit 22 x 15mm Reducing Straight Coupler PEM202215W is designed to quickly and securely connect two unequal pipe sizes (22mm to 15mm). This push-fit fitting offers easy installation without the need for tools, hot works, or glue. It features a Grip & Seal™ collet with stainless steel teeth for a tight and secure fit. The Twist & Lock® cap ensures additional compression and stability. Suitable for both plastic and copper pipes, it is WRAS approved and ideal for hot and cold water systems, as well as central heating. This fitting is designed, manufactured, and assembled in the UK and comes with a 50-year guarantee.