Heating Valves

22mm Automatic Differential Bypass Valve

22mm differential bypass valve.

Fitted near the boiler, an automatic bypass valve is used to maintain a minimum flow rate through the boiler and to limit circulation pressure when other valves / water paths are closed.

£11.82

22mm Central Heating Pump Valve | Gate Type

22mm gate type central heating pump valve complete with nut and washer.

Nut suits 1-1/2 inch BSP thread (normal heating pump size).

£4.94

28mm Central Heating Pump Valve | Gate Type

28mm gate type central heating pump valve, with nut and washer.

Nut suits 1-1/2 inch BSP thread (normal heating pump size).

£7.05

3 Bar Pressure Relief Valve | 1/2" Female x Female

3 bar 1/2 inch BSP female x female pressure relief valve

Colour of plastic top may vary from picture (makes no difference to operation of valve).

£4.66

3 Bar Pressure Relief Valve | 1/2" Male x Female

3 bar 1/2 inch BSP male x female pressure relief valve.

Colour of plastic top may vary from picture (makes no difference to operation of valve).

£7.00

4 Bar Pressure Gauge 1/4" BSP Back Connection

1/4 inch BSP 4 bar back entry water pressure gauge with red reference pointer and scale in bars.

£9.93

4 Bar Pressure Gauge 1/4" BSP Bottom Connection

4 bar bottom connection water pressure gauge with red reference pointer and scale in bars.

£10.44

6 Bar Pressure Relief Valve | 1/2" Female x Female

6 bar 1/2 inch BSP female x female pressure relief valve.

Colour of plastic top may vary from picture (makes no difference to operation of valve).

£6.81

7 Bar Pressure Relief Valve | 1/2" Female x Female

7 bar 1/2 inch BSP female x female pressure relief valve.

Colour of plastic top may vary from picture (makes no difference to operation of valve).

£7.99

Automatic Bottle Air Vent Valve 1/2" BSP

1/2 inch BSP brass automatic bottle air vent (AAV).

With shut off cap that can be used to stop auto venting if so required.

£5.60

Central Heating / Combi Boiler Straight Filling Loop

Central heating system / combi boiler straight filling loop.

Braided hose, one way double check valve and lever operated fill valve.

15mm compression pipe connections at each end of the loop.

£8.33

Central Heating Pump Valve Fibre Washer

Fibre washer for standard central heating circulating pump / pump valves.

Measures approx 44mm OD.

£0.30

Central Heating Pump Valve Nut

Spare nut for your central heating pump valve - these are designed a special way to allow them to be separated from their valve.

This nut has a 1-1/2 inch BSP thread (standard size for domestic central heating circulating pumps).

£1.74

Central Heating Pump Valve Rubber Washers (2 Pack)

Pack of 2 rubber washers for standard central heating pump valves, measures approx 43mm outside diameter.

Plumbers often prefer these instead of the fibre type.

£1.98

Myson Power Extra MPE222 22mm 2 Port Motorised Zone Valve

Myson Power Extra MPE222 2 port 22mm motorised zone valve.

Designed for use in fully pumped central heating and hot water systems.

£54.72

Myson Power Extra MPE228 28mm 2 Port Motorised Zone Valve

Myson Power Extra MPE228 28mm 2 port motorised zone valve.

Designed for use in fully pumped central heating and hot water systems.

£57.60

Spring Pressure Relief Valve | 1/2" BSP

Brass 1/2 inch BSP pressure relief valve.

This safety valve has a simple (adjustable) spring loaded release mechanism with a lock ring to lock the adjuster in position.

£2.82

Synchronous Motorised Valve Motor

Synchron / synchronous motorised valve motor.

Designed to fit most common motorised central heating valves, including a lot of models from Danfoss, Drayton, Honeywell, Horstmann, Satchwell, LandS, Myson, Tower and more.

£12.24