New polygroup 2000 gph pump is loud
firstly, don't be so certain that doubling your pumping capacity isn't damaging other parts of your pool system. Excessive flow reduces filter efficiency, can cause hyper chlorination, and cause faster degradation of the plumbing and pool surfaces.
a noisy pump typically indicates poor lubrication on bearings and bushings in the pump assembly, or misalignment of those parts. Things like this happen.
Either replace the pump (and i recommend going back to the original design specs) or rebuild it, using new bushings / bearings, high quality lubrication, and be certain that the drive shaft is perfectly straight, and that the bushings allow it to spin freely.
Replacement pump than jacuzzi magnium force 3 pump
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