Canpump CA logo
Canpump CA logo

All articles

Excessive water return in the bypass at the operating pressureUpdated 2 hours ago

 

Problem 

Probable Cause 

Solution 

Excessive water return in the bypass at the operating pressure 

Nozzle size is too small 

Please refer nozzle size calculator at 1/4-in Quick-Connect Pressure Washing Spray Nozzles, Set of 5 

Worn poppet and/ or seat in the unloader valve 

Replace or repair unloader valve 

 

Note: Unloader valve is considered consumable and typically has a shorter life span than the pump. 

Please reach out to us [email protected] after this troubleshoot with your order number and findings. A short video/photos of the system would be very helpful. 

Was this article helpful?
Yes
No