Set of 2 thermal relief valves for 1/4" NPT pressure washer pump

Attachment: 1/4" NPT. The outside diameter of the male thread is 1.4 cm. Includes 2 pressure washer release valves. Compatible with many brands, such as Generac, Homelite, Karcher, Briggs & Stratton, Power Stroke, Husky, Black Max, Craftsman, Him Ore, and Ridged pressure washers. Replaces Homelite part numbers 678169004, 678169002, and 678169001. Replaces Briggs & Stratton part numbers 208673GS, 21783GS, 194298GS, and B3090GS. The thermal relief valve protects pressure washer pumps operating within a safe temperature range to prevent overheating. When the water temperature exceeds 145°C (553°F), the pump seals can fail. The thermal relief valve opens to release hot water and allow cold water to flow. to enter the pump. Thus, it continues to operate at a safe temperature. If the pump has already overheated, the thermal relief valve must be... Made of brass. Maximum load: Pump inlet pressure: 200 psi. Satisfaction: Quick response within 10 hours. For any problems or questions, please feel free to contact us.