Pressure Relief Valves & Accessories
Pressure Relief Valves (PRV) (Please click for options)
Pressure Relief Valve Cartridges (Please click for options)
Pressure relief valves, sometimes known as PRV’s, Expansion relief valves or safety valves are designed to protect unvented hot water systems from over pressure caused by failure of pressure reducing valves, failure of expansion vessels or loss of internal air bubbles in system tanks. They are a vital component of the safety mechanism on a pressurised heating system so should never be disconnected or removed unless they are to be replaced immediately and should be serviced and maintained on an annual basis.
8 items
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Altecnic 4 Bar M X F BSP 312405CST
EXCL. TAX £14.78 INCL. TAX £17.74 Add to cartCaleffi 533112 CST combined PRV and cold fill monobloc manifold assembly
EXCL. TAX £37.50 INCL. TAX £45.00 Out of StockCaleffi 535022 Pressure reducing valve with self-contained replaceable cartridge 22mm
EXCL. TAX £42.87 INCL. TAX £51.44 Add to cart