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Heating Valves

There are some more valves in our plumbing section.

22mm 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 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
3 Bar Pressure Relief Safety Valve | 1/2" Female x Female
3 bar (43.5 PSI) 1/2 inch BSP female x female pressure relief valve (safety PRV).
Colour of plastic top may vary from picture (makes no difference to operation of valve).
£4.66
3 Bar Pressure Relief Safety Valve | 1/2" Female x Female
3 bar (43.5 PSI) 1/2 inch BSP female x female pressure relief valve (safety PRV).
Colour of plastic top may vary from picture (makes no difference to operation of valve).
£4.66
3 Bar Pressure Relief Safety Valve | 1/2" Male x Female
3 bar (43.5 PSI) 1/2 inch BSP male x female pressure relief valve (safety PRV).
Colour of plastic top may vary from picture (makes no difference to operation of valve).
£6.60
3 Bar Pressure Relief Safety Valve | 1/2" Male x Female
3 bar (43.5 PSI) 1/2 inch BSP male x female pressure relief valve (safety PRV).
Colour of plastic top may vary from picture (makes no difference to operation of valve).
£6.60
6 Bar Pressure Relief Safety Valve | 1/2" Female x Female
6 bar (87 PSI) 1/2 inch BSP female x female pressure relief valve (safety PRV).
Colour of plastic top may vary from picture (makes no difference to operation of valve).
£6.62
6 Bar Pressure Relief Safety Valve | 1/2" Female x Female
6 bar (87 PSI) 1/2 inch BSP female x female pressure relief valve (safety PRV).
Colour of plastic top may vary from picture (makes no difference to operation of valve).
£6.62
7 Bar Pressure Relief Safety Valve | 1/2" Female x Female
7 bar (101 PSI) 1/2 inch BSP female x female pressure relief valve (safety PRV).
Colour of plastic top may vary from picture (makes no difference to operation of valve).
£7.99
7 Bar Pressure Relief Safety Valve | 1/2" Female x Female
7 bar (101 PSI) 1/2 inch BSP female x female pressure relief valve (safety PRV).
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).
£5.60
Automatic Bottle Air Vent Valve 1/2" BSP
1/2 inch BSP brass automatic bottle air vent (AAV).
£5.60
Brass 22mm 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
Brass 22mm 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
Brass 28mm 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
Brass 28mm 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
Combi Boiler Filling Loop
Use this filling loop to fill and pressurise sealed (un-vented) central heating systems / combi boilers.
Comes with braided hose, one way double check valve and lever operated fill valve.
£7.92
Combi Boiler Filling Loop
Use this filling loop to fill and pressurise sealed (un-vented) central heating systems / combi boilers.
Comes with braided hose, one way double check valve and lever operated fill valve.
£7.92
Myson Power Extra MPE222 22mm 2 Port Motorised Valve
Myson Power Extra MPE222 2 port 22mm motorised zone valve.
Designed for use in fully pumped central heating and hot water systems.
£53.41
Myson Power Extra MPE222 22mm 2 Port Motorised Valve
Myson Power Extra MPE222 2 port 22mm motorised zone valve.
Designed for use in fully pumped central heating and hot water systems.
£53.41
Myson Power Extra MPE228 28mm 2 Port Motorised Valve
Myson Power Extra MPE228 2 port motorised zone valve.
Designed for use in fully pumped central heating and hot water systems.
£55.72
Myson Power Extra MPE228 28mm 2 Port Motorised Valve
Myson Power Extra MPE228 2 port motorised zone valve.
Designed for use in fully pumped central heating and hot water systems.
£55.72
Spring Pressure Relief Safety Valve | 1/2" BSP
Brass 1/2 inch BSP pressure relief safety valve.
This valve has a simple (adjustable) spring loaded release mechanism with a lock ring to lock the adjuster in position.
£2.82
Spring Pressure Relief Safety Valve | 1/2" BSP
Brass 1/2 inch BSP pressure relief safety valve.
This 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 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.
£11.26
Synchronous Motorised Valve Motor
Synchron / synchronous 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.
£11.26
Water Pressure Gauge 0-4 Bar 1/4" BSP Back Connection
1/4 inch BSP 4 bar back entry pressure gauge with red reference pointer and scale in bars.
£9.93
Water Pressure Gauge 0-4 Bar 1/4" BSP Back Connection
1/4 inch BSP 4 bar back entry pressure gauge with red reference pointer and scale in bars.
£9.93
Water Pressure Gauge 0-4 Bar 1/4" BSP Bottom Connection
4 bar bottom connection pressure gauge with red reference pointer and scale in bars.
£9.93
Water Pressure Gauge 0-4 Bar 1/4" BSP Bottom Connection
4 bar bottom connection pressure gauge with red reference pointer and scale in bars.
£9.93