Pressure Washer Thermal Relief Valve Repair

The gas engine pressure washer s thermal relief valve helps protect the pressure washer s pump against thermal damage.

Pressure washer thermal relief valve repair.

When the pressure in the line builds to a certain level the relief valve is pushed open and allows excess pressure to escape rather than allowing it to build up in the line. If your pressure washer is not building pressure and the engine is surging there could be a few different causes. When the cool water enters the pump it helps cool down the engine. Pressure washer safety valves pressure and thermal relief.

The thermal relief valve helps you operate you pressure washer safely. When the thermal relief valve opens cool water enters the pump and cools the system. The valve that is leaking is probably the thermal release valve part number thermal relief valve the leak could be due to the normal operation of the thermal release valve. This part regulates the amount of pressure in the line at any given time.

The thermal relief valve helps you operate you pressure washer safely. The thermal release valve allows hot water to exit the pressure washer if the water temperature becomes excessively high. When the pressure in the line builds to a certain level the relief valve is pushed open and allows excess pressure to escape rather than allowing it to build up in the line. This part regulates the amount of pressure in the line at any given time.

One of them is a sticking unloader valve. When the rated water temperature is exceeded the thermal relief valve automatically discharges the hot water onto the ground and lets in the new cooler water. Zgn 1 4 npt brass thermal relief valve thermal release safty valve for homelite ryobi dewalt pressure washer 678169004 17658 5 0 out of 5 stars 1 12 99 12.