Posted 5/24/2025 20:33 (#11237019 - in reply to #11236902) Subject: RE: Septic lift tank pump
Wisconsin
Sewage pumps are not tight tolerances, they are almost more like vortex pumps, made to pass relatively large solids. Also, not much sand in sewage, sand is what really wears pumps out. I doubt the impeller is worn enough to affect the performance.