Pressure Washer Check Valve Stuck

The gas engine pressure washer s thermal relief valve helps protect the pressure washer s pump against thermal damage.

Pressure washer check valve stuck.

Air in the inlet water supply can damage the check valves as can chemical residue left in the pump. If the pressure washer unloader valve isn t working replace it using the manufacturer approved replacement part. If your pressure washer is not building pressure and the engine is surging there could be a few different causes. 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.

Get it as soon as mon aug 24. This pressure washer was one one of the machines that sat for 8 years. From the outlet hose the water passes through the pressure washer gun and out the pressure nozzle. When the pressure washer gun trigger is depressed the pressurized water leaves the power pump and exits through the outlet valve and outlet hose.

How to do a valve repair on your pressure cleaner. More buying choices 6 56 2 used new offers free shipping on your. 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. Conversely if the unloader valve won t close water pressure to the spray nozzle decreases drastically.

Guns and nozzles are the most commonly replaced parts of a pressure washer system. One of them is a sticking unloader valve. These screws may require torx 30 bits depending on the pressure washer. The unloader valve reduces water pressure within the pressure washer pump when the pump runs but the spray wand isn t used by recirculating water to the pump inlet.

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. In this video we teach you how to properly disassemble repair and reassemble a pressure cl. I finally got around to working on it.