pump height above water tank outlet


New member
Hey everyone just bought a trailer rig and need to move the washer. The h20 line come out the bottom wall. I want to move the PW a little higher than the water line.
What is an acceptable pump height above the tank outlet plumbing? 8gpm gx690 PW.

Thanks everyone.


Active member
Some pumps such as belt drive or gear drive that run at 1450-1750 RPM will pull water, where a direct drive which runs at 3400 RPM will not pull. With that said, I had a direct drive a few years ago and the pump inlet was about 4" higher than the tank outlet and it worked fine and would run the tank empty.



Hotsy Service Tech
With a swing check valve in the suction line you could actually put it on top of the tank with no problem.