MacDonald Plumbing Supplies MacValve 22mm Mid Position Motorised Valve

The 22mm 3 Port Mid Position Motorised Valve is designed to control the flow of water in central heating and domestic hot water systems. When installed with suitable room and cylinder thermostats, it provides automatic regulation of both services, moving to the mid position when heating and hot water are required together. The valve features a synchronous motor drive with spring return action and is supplied with 22mm compression fittings. Its replaceable actuator head can be changed without draining down the system, making maintenance more straightforward. With an auxiliary switch, integrated manual lever and 1 metre five core flex, it offers practical functionality for professional plumbing and heating installations.

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 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.

Danfoss Motorised Valve HP22B Paddle Type 2 Port 22mm DF087N660900

The Danfoss Motorised Valve HP22B Paddle Type 2 Port 22mm DF087N660900 is a high-performance valve designed for precise flow control in domestic and commercial heating systems. Featuring a paddle type mechanism for reliable shut-off and a robust construction, it ensures efficient operation and long service life. With a high flow rate and compatibility with a range of actuators, it offers flexibility for various heating applications.

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.

Drayton ZA5/679 2 Port Motorised Valve 22mm Compression

The Drayton ZA5/679 2 Port Motorised Valve 22mm Compression is a reliable and easy-to-install solution for controlling water flow in central heating and hot water systems. Designed with industry standard wiring and a spring-return mechanism, it ensures efficient operation and dependable performance. With a compact design and manual override functionality, it is ideal for both new installations and replacement work.

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.