MacDonald Plumbing Supplies MacValve 28mm 2 Port Motorised Valve

The MacValve 28mm 2 Port Motorised Valve is designed to provide controlled water flow in central heating systems and other suitable flow control applications. Featuring a spring return mechanism and an auxiliary switch, it can be used to control the flow of water between a boiler, hot water cylinder and central heating circuit when correctly wired with a compatible room thermostat, cylinder thermostat and programmer. The valve is supplied with 28mm compression fittings and includes a 1 metre cable for electrical connection. With a replaceable actuator design, it offers a practical solution for heating engineers carrying out new installations, system upgrades and maintenance work.

MacDonald Plumbing Supplies MacValve 22mm 2 Port Motorised Valve

The MacValve 22mm 2 Port Motorised Valve is designed to provide zone control for central heating and domestic hot water systems. It uses a synchronous motor drive with spring return action to control the flow of water through the connected pipework. Supplied with compression fittings, this valve is suitable for compatible 22mm installations. The replaceable actuator head can be exchanged without draining the system, helping simplify servicing and maintenance. Additional features include an auxiliary switch, an integrated manual lever for commissioning and a 1 metre five core flex. Operating on a 230V, 50Hz supply, it provides a practical control solution for plumbers and heating engineers.

MacDonald Plumbing Supplies MacControl Dual Channel Programmer

MacControl Dual Channel Programmer is a mains powered digital programmer designed to provide flexible time based control of central heating and hot water systems. With independent channels for heating and hot water, it allows installers and homeowners to create schedules suited to their daily routines. The programmer is compatible with gravity fed and fully pumped systems, including S plan and Y plan configurations. Multiple programming options, three ON/OFF periods per channel, holiday mode, frost protection and useful override functions provide precise and convenient control for modern residential heating systems.

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 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 MacPump 1½ "A" Rated Circulating Pump

The MacPump 1½" “A” Rated Circulating Pump is a high-efficiency solution designed for domestic heating and hot water systems. Featuring a permanent magnet motor and intelligent differential pressure control, it automatically adjusts performance to suit system demand. With both variable and fixed speed settings, a 6m head, and A-rated energy efficiency, it delivers reliable performance while helping to reduce energy consumption.

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.