Pressure Washer Thermal Relief Valve Function

The thermal relief valve keeps pressure cleaner pumps operating in a safe range to prevent overheating caused by recirculating water.

Pressure washer thermal relief valve function.

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. 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 operator releases the trigger the pump s unloader diverts the water back to the inlet side of the pump.

Sizes from 1 4 to 1 2 in up to 190 f. 4 7 out of 5 stars 11. The pump then overheats. Thermal relief valves excessive heat.

When the thermal relief valve opens cool water enters the pump and cools the system. 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. At water temperatures above 145º f packing seals may fail. This is referred to as a closed loop by pass.

When the system is in bypass mode the thermal relief valve opens to release hot water. 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. Pressure thermal relief safety valves for the power washing industry from brands such as annovi reverberi cat general pump je adams giant more. 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 pressure forces the steam out and past a wheel which turns from the force of the passing steam. Pressure washer safety valves pressure and thermal relief.