A-B1318923GS-AI VALVE-THERMAL RELIEF
A-B1318923GS-AI VALVE-THERMAL RELIEF
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One New Aftermarket Replacement Thermal Relief Valve Fits Briggs and Stratton (Fits Briggs & Fits Stratton) Pressure Washers
This aftermarket replacement thermal relief valve Fits Briggs and Stratton (Fits Briggs & Fits Stratton) pressure washer pumps. The thermal relief valve is a safety component installed on the pressure washer pump that monitors water temperature and automatically opens to release hot water from the pump when temperatures become excessive, allowing cooler water to re-enter via the pump inlet. This protects the pump seals and other internal components from heat damage during bypass or idle operation. The valve resets automatically once the water temperature drops below the valve's set point, helping to extend the overall service life of the pump.
Specifications
- Part Type: Thermal Relief Valve (TRV)
- Application: Pressure Washer Pump
Compatible Models
Fits Briggs and Stratton: Select Fits Briggs & Fits Stratton pressure washer models -- use your model number to verify fitment before ordering. Many thermal relief valves look similar; confirm your OEM part number matches 318923GS.
Replaces Part Number(s):
318923GS
New aftermarket replacement part - not remanufactured, not used.



