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Lose vacuum on pool bottom cleaner

When running a bottom cleaner (2 different models, same problem) we lose suction after running over an area of sediment. The cleaners don't get clogged, they're clear. What seems to happen though, is the silt (which looks white like chemical residue) goes straight through the filter (you can see it coming out of the pump after the cleaner runs over a heavy concentration of the silt) and shortly after that, the suction just goes to a minimum. Sometimes stoping and restarting the pump clears it, sometimes I have to run a backflush cycle to get it going again. Any suggestions on how to not lose suction on the cleaner?

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My pool filter runs fine when skimming, but when I attach the droid or manual vacuum the basket has sucked air. Do impellers ware out? Is there a seal between the motor and the impeller that can leak air?

Posted on Jul 25, 2009

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Posted on Jan 02, 2017

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