Pressure Washer Thermal Relief Valve Leaking

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.

Pressure washer thermal relief valve leaking.

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. If your pressure washer is not building pressure and the engine is surging there could be a few different causes. Pressure thermal relief safety valves for the power washing industry from brands such as annovi reverberi cat general pump je adams giant more. 4 7 out of 5 stars 11.

The thermal release valve allows hot water to exit the pressure washer if the water temperature becomes excessively high. 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. When the water temperature rises above the acceptable limit the thermal. Owners of pressure washers often report symptoms that are difficult to diagnose like low pressure high pressure no pressure surging pressure and pump issues.

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. Easy fix for faulty valves on pressure washers. If the thermal release valves seal is compromised it may continuously leak water and cause the washer to lose pressure. When the thermal relief valve opens cool water enters the pump and cools the system.

One of them is a sticking unloader valve. The pressure washer is left running while it is not spraying water the water in the pump will begin to heat up. Oem 5140095 85 replacement pressure washer valve thermal relief dh4240 for dewalt.