1/2" Combined Safety & Non-Return Valve extension They are also vital components

They are also vital components in (to name but a few): underfloor heating systems

- 25mm Water Seal

the cap is easily secured to the top of a masonry chimney which is no longer to be used

The head must be ordered separately to the valve

The silicone version can withstand intermittent temperatures of up to 250°C

1/2" Combined Safety & Non-Return Valve extension They are also vital componentsDESCRIPTION: A safety valve is designed to relieve any pressure in a heating system where the component are unable to accommodate any rapid and excessive pressure build up. Either type of valve should be fitted as close to the boiler as possible, and should incorporate a " pipe connection which enables discharge to a point outside of the building. It should discharge in a position which is noticeable, BUT NOT where any discharge may cause bodily