Craftsman Pressure Washer Unloader Valve Replacement

They redirect water from the pump when water is not exiting the system.

Craftsman pressure washer unloader valve replacement.

Install the o ring from the kit on the new unloader valve. This pressure washer was one one of the machines that sat for 8 years. If the pressure washer unloader valve isn t working replace it using the manufacturer approved replacement part. Instead it is redirected through an unloader hose and recycled through the power pump again.

Follow these steps to replace the unloader valve in craftsman briggs stratton husqvarna troybilt and snapper pressure washers. I finally got around to working on it. When you let go of the trigger on the wand the unloader valve opens to recirculate pressurized water to the craftsman pressure washer pump so the water won t overheat and damage the craftsman power washer pump. If the unloader valve clogs or won t open the thermal release valve opens and sprays steamy water from the pump.

Once the pressure in the line reaches a certain level the relief valve opens to relief the pressure. How to replace a craftsman gas pressure washer unloader valve pull the spark plug wire off the spark plug on the pressure washer engine. Use an open end wrench to turn the unloader valve counter clockwise to remove. The thermal relief valve regulates the amount of pressure in the line at any given time.

This way pressure does not built up too much in the pump system. The valve allows the extra pressure to bleed out of the line instead of building up. One of them is a sticking unloader valve. Get it as soon as tue sep 29.

4 5 out of 5 stars 9. If your pressure washer is not building pressure and the engine is surging there could be a few different causes. Himore unloader valve fits many sears craftsman generac pressure washer pumps does not replace part number 190628gs only way to verify fitment is to measure total length see spec pictures brand. This is a genuine oem replacement part sourced directly from craftsman.

Unloader valves are another important part of every pressure washer.