Pressure Washer Thermal Relief Valve Function

Sizes from 1 4 to 1 2 in up to 190 f.

Pressure washer thermal relief valve function.

At water temperatures above 145º f packing seals may fail. Only 5 left in stock order soon. The thermal relief valve entered common usage with the steam boiler a machine that uses heat to turn water into steam which creates a positive pressure inside the boiler. When the washer is not spraying water it is recirculated within the pump system to keep it under pressure which also causes the water to heat up.

Pressure thermal relief safety valves for the power washing industry from brands such as annovi reverberi cat general pump je adams giant more. Thermal relief valves excessive heat. When the operator releases the trigger the pump s unloader diverts the water back to the inlet side of the pump. 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.

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 system is in bypass mode the thermal relief valve opens to release hot water. Oem 5140095 85 replacement pressure washer valve thermal relief dh4240 for dewalt. The thermal release valve keeps the water in the pump within a safe temperature range to prevent overheating which can be caused by the recirculating water within the pump system.

This is referred to as a closed loop by pass. 4 7 out of 5 stars 11. Thermal relief safety valves for pressure washing from brands such as ar cat general pump je adams giant more. Pressure washer safety valves pressure and thermal relief.

Thermal relief valves are a must have for pressure washers when the water is supplied by a garden type water hose. When the thermal relief valve opens cool water enters the pump and cools the system.