Excell Pressure Washer Unloader Valve Location

The system pressure depends on the setting of the unloader.

Excell pressure washer unloader valve location.

On the other hand when you release the trigger the unloader valve redirects the flow of water towards the inlet valve. As determined by the setting of the unloader. Only a mild pour would come out when engaged and engine and all runs fine. One of them is a sticking unloader valve.

For example if your washer produces 1000 psi while you are spraying the unloader should not unload until the pressure exceeds the 1000psi. The unloader only relieves the pressure once it reaches a certain p s i. If the unloader valve clogs or won t open the thermal release valve opens and sprays steamy water from the pump. The unloader valve kit includes the o ring and all parts needed for the repair.

That s not necessarily true. Many videos write ups show that you can try to free a stuck pin to repair it. If the pressure washer unloader valve isn t working replace it using the manufacturer approved replacement part. When your pressure washer has its pressure gun depressed the unloader valve ensures the flow of water towards the nozzle.

Usually this pressure setting is higher than the system pressure while you are spraying. If your pressure washer is not building pressure and the engine is surging there could be a few different causes.