This product is ISO 9000 Certified to ensure quality and consistency during the manufacturing process. This Thermal Relief Valve is a thermal protector for the pressure washer pump. It protects the pump from damaging when heat builds up while in recirculation/bypass mode. The maximum PSI is for this valve is 145. Opening temperature is 150°F. The valve will reset automatically.
1/2 INCH NATIONAL PIPE THREAD MALE THERMAL RELIEF VALVE 150 DEGREE FEMALE - OVERHEAT PROTECTION