Trial-trendsetters: Bosch Pressure Washer Unloader Valve

Bosch Pressure Washer Unloader Valve

Unloader valves are another important part of every pressure washer. Take a look at two different disassembled unloader valve assemblies.

Lavor Original Parts For Pressure Cleaner Eagle 24 8 030 0807

The one on the left is from the stanley gas pressure washer also shown in the above image on the left.

Bosch pressure washer unloader valve. In addition air in the hose may cause pulsating. Check the unloader and repair or replace it. It may be worn down or restricted in some way.

The unloader is used to relieve the water pressure within the pump whenever spray flow is blocked. It is a flow actuated unloader. An unloader valve has a mechanism in place to trap pressure between itself and the nozzle which relieves the pump of withstanding any back pressure created when the trigger wand is released and the flow of water is stopped.

Wilteexs heavy duty brass pressure washer replacement thermal release valve 678169004. It is generally located above the water inlet. This way pressure does not built up too much in the pump system.

Also known as an unloader valve this part allows water to recirculate in the pump when youre not spraying water and is responsible for most of the pressure related problems with your pressure washer. Pressure washer unloader regulator valves an unloader valve is the component of a pressure washer that allows the pump to bypass the flow of water back to the pump while the spray gun is not being used. They redirect water from the pump when water is not exiting the system.

The unloader on the right is from an ar blue clean electric pressure washer. Instead it is redirected through an unloader hose and recycled through the power pump again. It is a pressure actuated unloader.

9 Best Karcher Pressure Washers Images Washer Electric Power