Sime Pressure Relief Safety Valves (Prv)
The pressure relief valve helps to control pressure build up within a central heating system. It is set to release water if the pressure is too high to prevent pressure causing the system to malfunction or break.
Sime 6040211 Pressure Relief Valve - Murelle EV/Format DGT/Ecomfort Plus
Part No: 2042816 / MPN: 6040211/SIM