309470 TEMPERATURE AND PRESSURE RELIEF VALVE 15MM X 1/2" 7 BAR
The pressure relief valve is a safety device fitted to boilers that limits the build up of pressure to dangerous levels. If a pressure relief valve is passing it can be a sign that the expansion vessel needs charged or is faulty.
The pressure relief valve is a safety device fitted to boilers that limits the build up of pressure to dangerous levels. If a pressure relief valve is passing it can be a sign that the expansion vessel needs charged or is faulty.