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Thermal Dump Valve

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Thermal Dump Valve protects the pressure washer pump by keeping it within a safe range to prevent overheating (caused by recirculating water). At water temperatures above a certain temperature, packing seals can fail. The pump then overheats. When the system is in bypass mode, the thermal Dump Valve opens to release hot water. Cold water can then enter the pump so it continues to operate at a safe temperature

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