Pressure Washer Thermal Relief Valve Function

Pressure washer safety valves pressure and thermal relief.

Pressure washer thermal relief valve function.

At water temperatures above 145º f packing seals may fail. 4 7 out of 5 stars 11. Sizes from 1 4 to 1 2 in up to 190 f. Only 5 left in stock order soon.

Thermal relief safety valves for pressure washing from brands such as ar cat general pump je adams giant more. When the thermal relief valve opens cool water enters the pump and cools the system. Thermal relief valves excessive heat. The pump then overheats.

The thermal relief valve keeps pressure cleaner pumps operating in a safe range to prevent overheating caused by recirculating water. Oem 5140095 85 replacement pressure washer valve thermal relief dh4240 for dewalt. Pressure thermal relief safety valves for the power washing industry from brands such as annovi reverberi cat general pump je adams giant more. This is referred to as a closed loop by pass.

This pressure forces the steam out and past a wheel which turns from the force of the passing steam. 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. 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.

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 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.