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Several weeks ago, I purchased a new Pentair Whisperflo pump from a vendor on Ebay. The pump worked great but made a rather loud whine sound as if a bearing was not right. Last Sunday night I finally contacted Pentair about it via their web-site customer service. By 8:30 the next morning I had...

Thanks for your input. I think a lot of what I'm hearing is water like you mentioned. The old pump was a 1 hp dynaglass installed about 19 years ago and new motor from about 6 years ago. I replaced the valves as well and now I have absolutely no air coming in like I used to. The filter is newer...

I recently installed a new Whisperflo wfe-3 energy efficient 3/4 hp pool pump. Everything seems to be working great and it seems to move a lot more water than my old 1 HP. My only complaint is the noise it makes. It's not a squeel type noise like a bad motor or bearing, but it just seems louder...

Does anyone have any experience or thoughts regarding the IMPower variable speed motors by Marathon Electric? It seems like a great option for those of us looking to replace a motor in the 1 HP range. Turns on at high speed for 2 hrs. then to a lower programmed speed for energy savings. Costs...