Specification Brand : Generic BulletPoint1 : 1 pieces of thermal relief valves with 1/4" NPT thread. The thermal release valve must be replaced once the temperature rise to 145°F. Maximum temperature of pump inlet is 200 PSI. BulletPoint2 : Compatible with many brands, such as Generac,Homelite, Karcher, Briggs, Power Stroke, Husky, Black Max, Craftsman, Him Ore and Ridged pressure washers. Replaces Homelite part numbers 678169004, 678169002 and 678169001. Replaces Briggs and Stratton parts 208673GS, 21783GS, 194298GS and B3090GS. BulletPoint3 : The thermal protector for pressure washer is made of heavy duty brass, durable, resistance to oil, corrosion. BulletPoint4 : Thermal Relief Valve protects pressure washer pumps operating in a safe temperature range to prevent overheating. When water temperature reaches above 145º F, pump seals may fail. The thermal relief valve will open to release hot water and allow cold water to enter the pump. So it continues to operate at a safe temperature. If the pump have ever overheated, the thermal relief valve must be replaced. BulletPoint5 : Completed with 1/4" NPT thread, the thermal relief valve can be simply installed, disassembled with tools. CustomerPackageType : Standard Packaging ExteriorFinish : Brass ExternallyAssignedProductIdentifier1 : 0797439219546 ExternallyAssignedProductIdentifier2 : 797439219546 ItemName : 1/4 Inch NPT Tool Daily Thermal Release Valve for Pressure Washer Pump 1-Pack ItemPackageDimensions_Height : 2.54 centimeters ItemPackageDimensions_Length : 2.54 centimeters ItemPackageDimensions_Width : 2.54 centimeters ItemTypeKeyword : pressure-washer-accessories Manufacturer : xhing Material : Brass ModelNumber : Kit 1 PartNumber : ZX.1600 ProductDescription : Thermal Relief Valve protects pressure washer pumps operating in a safe temperature range to prevent overheating. Specifications: Item: Thermal Relief Valve Material: Brass Overall Length: 1.7Inch (43mm) Thread: 1/4 Inch NPT Package Included: 1Pcs x Thermal Relief Valve