Two Pack Thermal Release Valves For Pressure Washer Pump One Quarter Inch NPT Thermal Relief Valve Replacement Pump Protector 145 F Activation 200 PSI Max Inlet Compatible With 678169004 678169002 678169001 208673GS 21783GS 194298GS B3090GS

Two-Pack 1/4 in NPT Thermal Relief Valves for Washers
✔️ Brass 1/4 in NPT thread, activates at 145F, 200 PSI max inlet

These thermal relief valves guard pressure washer pumps from overheating by venting hot liquid when the inlet temperature hits 145°F, keeping the system safe and extending pump life. They’re a practical aftermarket upgrade compatible with a wide range of washer brands and replacement part numbers.

✅ Includes 2 brass thermal relief valves with 1/4 in NPT thread
✅ Activation at 145°F to prevent pump overheating
✅ Max inlet pressure 200 PSI; brass body resists oil and corrosion
✅ Overall length 1.7 in (43 mm); thread size 1/4 in NPT
✅ Compatible with Generac, Homelite, Karcher, Briggs & Stratton, Power Stroke, Husky, Black Max, Craftsman, Himore, and Ridged models

💡 What is a pressure washer thermal relief valve used for? This handy device helps protect pump components by venting hot water when the inlet temperature hits the activation point, preventing overheating. - It vents hot water to cool the pump during overload - It helps extend pump life by maintaining safe operating temperatures - It uses a 1/4 in NPT thread for easy replacement