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10 minutes ago Sorry, for so many questions. I'm a relatively new pool owner. We moved into a home with an existing pool and have never had any problems until the pump died. We really weren't expecting a problem with getting a new one but the strangely labeled equipment was a concern. The first...

That's a great idea. I will try it when I get home. And yes, I learned the hard way about running a dry pump. That's how our last one died. Thanks again for all your help.

My piping is 1.5" and my old pump was a pentair superflo . It's confusing because the plastic case was marked 1.5hp but the motor was marked 1hp. We did not realize that until we had already purchased a new pentair superflo 1.5 hp. My brother looked at the impeller and it seems ok.

I don't know how it's wired. What should I check for? Also, a neighbor told me he thought it might be bad bearings. Does that make sense? I was so concerned it might be cavitation, because our new pump is a 1.5 pentair superflo. Thanks for dispelling that idea. What is cavitation?

The second video is not my pump, it's just a video on youtube. I checked for blockage and it seems clear. The reason for my concern about cavitation is that we thought our pump was 1.5 hp. It broke a few days ago and we ordered another super flo 1.5. My brother gave us an old pentair superflo...

Thanks for the info. I'm kind of new at this. I just put this replacement pump in. My brother gave me his old 1.5 pentair Super flo to replace my 1 hp Super flo. I didn't know what the sound was and found this video on youtube. It sounded similar which concerned me that the pump might be oversized.

Ok, I'll try that tomorrow. So you don't think the pump is cavitating?

Thanks for your reply. I got my flow rate by dividing total pool gallons 25000, by a turnover of 8 hours and then divided that number by 60. I am new to this so I hope that is correct. The reason for the confusion about my pump size is that we thought our pump was 1.5 hp. It broke a few days...

I finally was able to get some video. Hope this helps in your diagnosis

I am having trouble deciding on a new pump hp. My pool is 25000 gallons. I have a Jacuzzi 24" 60 gpm sand filter. My pvc pipes are 1.5" and I have 2 skimmers and a drain. I have figured my flow rate at about 52 gpm. Would a 1.5 hp Pentair Super flo overpower my filter? I am worried about cavitation.

Hi, thanks for the replies. Jimrahbe, when I look through the pump lid the the water looks fine, full and no bubbles. The pressure on my filter reads about 21 which seems to be normal for my filter and water flow also seems strong in pool returns. Texas Splash, I will try to get a video up. I...

Hope someone can help, I'm so frustrated. My 1hp pentair Super flo just died. My brother gave me a 1.5hp pentair Super flo he is no longer using. I am using it now and it makes the most dreadful noise. It chugs like a train and grinds. It is so loud I can hear it in my house. I don't know if the...