1/2" Combined Safety & Non-Return Valve extension - Aluminium stretch mesh encapsulated

- Aluminium stretch mesh encapsulated into polymer rubber

1 x Cylinder Thermostat

- "Eco Evo" function

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

- Minimum operating pressure 0

1/2" Combined Safety & Non-Return Valve extension - Aluminium stretch mesh encapsulatedDESCRIPTION: 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