Pressure Washer Thermal Relief Valve Stuck

If the pressure washer doesn t develop adequate outlet pressure the unloader valve could be stuck open.

Pressure washer thermal relief valve stuck. Seeing water spewing out of your pressure washer can be a distressing sight. This is referred to as a closed loop by pass. If the valve sticks in the closed position the thermal relief valve frequently discharges hot water onto the ground because the unloader valve can t open to allow recirculation. Wait 5 minutes before using.

This just means that a thermal relief valve has been installed on your pump to prevent over heating. If your pressure washer is not building pressure and the engine is surging there could be a few different causes. One of them is a sticking unloader valve. Until you pull the trigger your pressure washer is in by.

Thermal relief valves are a must have for pressure washers when the water is supplied by a garden type water hose. Thermal relief valves excessive heat. Dirt caught in the spring or a stuck shaft are the most common issues solved by simply removing the unloader and cleaning looking for issues. Thermal relief valves are a must have for pressure washers when the water is supplied by a garden type water hose.

If the valve sticks in the closed position the thermal relief valve frequently discharges hot water onto the ground because the unloader valve can t open to allow recirculation.