Oem 5140095 85 replacement pressure washer valve thermal relief dh4240 for dewalt.
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.
When the operator releases the trigger the pump s unloader diverts the water back to the inlet side of the pump.
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.
Thermal relief valves excessive heat.
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This pressure forces the steam out and past a wheel which turns from the force of the passing steam.
This is referred to as a closed loop by pass.
Sizes from 1 4 to 1 2 in up to 190 f.
When the system is in bypass mode the thermal relief valve opens to release hot water.
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.
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.
When the thermal relief valve opens cool water enters the pump and cools the system.
At water temperatures above 145ยบ f packing seals may fail.
The thermal relief valve keeps pressure cleaner pumps operating in a safe range to prevent overheating caused by recirculating 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 washer safety valves pressure and thermal relief.
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.