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My info is (as stated in my signature): 16x32x8 vinyl in-ground; 20k gal; Pentair SuperFlo 1HP; Hayward S-200 sand filter; 1.5" plumbing; solar heating; 1 main drain, 1 skimmer, 1 return with 2 jets. I backwash when the pressure reaches about 22 lbs (after BW, it's around 14). Although, the...

So just a quick question before I start removing the sand from my filter... If the laterals are broken, wouldn't that mean there would be sand spewing into the pool? I took the top off of the filter and removed the diffuser. So far, nothing seems out of the ordinary...

Thanks for the replies! I'm a little relieved that this is not normal behavior for a sand filter. I think it's time to take the sand out and check out what's going on in there. I did check the laterals a while back when I replaced the sand, however I'm not sure what I was supposed to be...

Hi folks, The only filter I've ever had to deal with is a sand filter and I'm wondering if there's something wrong with mine or if they really are this terrible. Here's what happens: There is always fine silt collecting in clumps on the bottom of the pool. When I vacuum it up, I see it...

Oh my gosh I think I fixed it! (sort of) What was bugging me about this whole ordeal was that the sound the new pump was making was so similar to the sound that the original pump was making which is what inspired me to replace it in the first place. It made me think it was some other variable...

Some people have asked for an update about this pump noise, so here goes... There was really only one other thing I tried in troubleshooting. I took the motor completely off the pump and turned it on to see if the noise was still there. It was. So it's obviously something going on with the...

Mark - Yes, it's about the same loudness as the first motor. I couldn't find much information about imbalanced impellers on the web. Is that a common problem? thepoolman - Yep, I tried bypassing the filter - no change in the sound. I also replaced the pressure gauge because the old one...

Alright, I just wanted to give you guys an update. I called the company I bought the pump from and they told me to call Pentair for warranty service. I did and they sent a local pool company a new motor and a guy came out and did the switcheroo. He said my motor did sound a little louder than...

It's mounted on a black rubber mat made of recycled tire (I thought it might help with vibration). It's not really bolted down tightly right now, but it was when I first started hearing the sound. It doesn't seem to make a difference if a push down on the motor to alleviate vibration...

I think it's sounding more and more like I should just cash in some warranty service. Ohm_Boy - could you explain a little more what you're talking about? Can you tell what type of vibration is happening from the video?

Thanks for all the replies. Here's some more info. The pump is a single-speed 1HP SuperFlo model 348023. Here's the label on the side of the pump: Also, I made another youtube video. In the beginning I show the pump priming and the pressure reading, then at the end I take off the strainer...

JamesW - Alright, I took off the cap to the shaft and was able to rotate the shaft relatively easily. I'm not exactly sure how much resistance I should feel, but it seemed pretty smooth. It never got stuck at any point while I was turning it by hand. mas985 - I thought the same thing about...

Yep, the valves are all open and the pump is primed even though it doesn't look like there's water in the basket in the video (it fooled me too). The pressure on the filter reads about 16 PSI. Is that a good number? Here's some info about the pool - it's a 16x32 inground vinyl, about 20,000...

Hi Everyone! This is my first post to TFP, but I've been reading this forum religiously since I bought a house with a pool in April. The pump that came with the house was in pretty bad shape (it was rusting to pieces and very very loud, but still pumped water), so I decided to replace it with...