Excell Pressure Washer Unloader Valve Location

If your pressure washer is not building pressure and the engine is surging there could be a few different causes.

Excell pressure washer unloader valve location.

If the unloader valve clogs or won t open the thermal release valve opens and sprays steamy water from the pump. Usually this pressure setting is higher than the system pressure while you are spraying. As determined by the setting of the unloader. Many videos write ups show that you can try to free a stuck pin to repair it.

The unloader only relieves the pressure once it reaches a certain p s i. The unloader valve kit includes the o ring and all parts needed for the repair. One of them is a sticking unloader valve. Excell vr2500 devilbiss a01703 pump one day just stopped producing pressure.

On the other hand when you release the trigger the unloader valve redirects the flow of water towards the inlet valve. Troubleshooting shows that it s likely the unloader valve. 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.

Only a mild pour would come out when engaged and engine and all runs fine. That s not necessarily true.