Karcher Pressure Washer Relief Valve

Slowly remove the thermal release valve a spring is hiding beneath it.

Karcher pressure washer relief valve.

Take out the washer bolts and springs that are attached to the unloader valve. Oem 5140095 85 replacement pressure washer valve thermal relief dh4240 for dewalt. One of them is a sticking unloader valve. Only 5 left in stock order soon.

When water temperatures reach above 145 degree f pump seals may fail. The thermal relief valve opens to release hot high pressure water from the pump system onto the ground to prevent damage to the pump. Fast free shipping on many items. 4 7 out of 5 stars 11.

19 results for karcher pressure washer valve save karcher pressure washer valve to get e mail alerts and updates on your ebay feed. Shop great deals on thermal relief valve in pressure washers. Disconnect the nylon lock nuts from the valve and turn off the pressure adjuster knob. More buying choices 19 18 14 new offers homelite new 1 4 thermal release relief valve for pressure washer water pumps by the rop shop.

Unfollow karcher pressure washer valve to stop getting updates on your ebay feed. Product description ultimate washer uw11 pw5d4s 1 2 inch male npt pump thermal relief valve up to 8 gpm pressure power washer pump keeps pressure washer pumps operating in a safe range to prevent overheating. Remove the two screws that hold the thermal release valve to the pump. If your pressure washer is not building pressure and the engine is surging there could be a few different causes.

It is a genuine karcher replacement part for use in pressure washers. Maintain a running pressure washer with 3700 rpm before the load and 3400 rpm under it. Hot water builds up when the spray gun is unused for more than 5 minutes while the pump is running. Use a wrench to tighten the two nuts on the piston.

These screws may require torx 30 bits depending on the pressure washer. Karcher pressure washers use torx bits to fasten the thermal release valve. The unloader valve recirculates water back to the pump inlet to control the pressure and temperature.