When the system is in bypass mode the thermal relief valve opens to release hot water.
Thermal relief valve.
In a steam based system much of the volume is taken up by air while a water system is just water.
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The valve that is leaking is probably the thermal release valve part number thermal relief valve the leak could be due to the normal operation of the thermal release valve.
If the pressure washer is left running while it is.
The pump then overheats.
A thermal relief valve varies in size based on whether it releases water or vapor.
American hydro clean trv25 1ar thermal relief valve 1 4 npt.
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At water temperatures above 145ยบ f packing seals may fail.
A water relief valve is usually much smaller than a steam release valve.
This is because pressure is based on quantity.
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The thermal relief valve keeps pressure cleaner pumps operating in a safe range to prevent overheating caused by recirculating water.
The thermal release valve allows hot water to exit the pressure washer if the water temperature becomes excessively high.
Only 20 left in stock order soon.
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