Pressure Washer Thermal Relief Valve Leaking

Easy fix for faulty valves on pressure washers.

Pressure washer thermal relief valve leaking. If the pressure washer runs for more than 5 minutes when the spray wand isn t in use the water in the pump often overheats causing the thermal relief valve to open and discharge hot water onto the ground. Pressure thermal relief safety valves for the power washing industry from brands such as annovi reverberi cat general pump je adams giant more. Only 5 left in stock order soon. When the water temperature rises above the acceptable limit the thermal.

If the thermal release valves seal is compromised it may continuously leak water and cause the washer to lose pressure. More buying choices 19 18 14 new offers homelite new 1 4 thermal release relief valve for pressure washer water pumps by the rop shop. If your pressure washer is not building pressure and the engine is surging there could be a few different causes. 4 7 out of 5 stars 11.

Pressure washers are extremely useful when they re needed as most most owners of pressure washers know but the sensitivity of their systems also makes them prone to setbacks. The leak could be due to the normal operation of the thermal release valve. The pressure washer is left running while it is not spraying water the water in the pump will begin to heat up. Most power washers are equipped with a thermal release valve at the bottom of the pump system which is designed to expel water from the pump system when it becomes too hot.

When the thermal relief valve opens cool water enters the pump and cools the system. The thermal release valve allows hot water to exit the pressure washer if the water temperature becomes excessively high. One of them is a sticking unloader valve.