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Thread: Possible blockage in suction side line

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    Join Date
    Aug 2012
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    San Diego
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    18

    Possible blockage in suction side line

    We recently added a Pentair Rebel suction side cleaner to our in-ground pool. I noticed that the little guy wasn't moving as well this weekend and would fall down just shortly after starting up the wall. I decided to get out the gauge that comes with the kit and found that i now needed about 50% more suction to power the unit properly. As i remembered that i was due for a filter cleaning (previous post) i set out to do that and did indeed notice an uptick in the flow of water. However, i still need to have the valve about 30% more in the suction side direction than previously.

    My pool guy was out today and checked the cleaner and said that it looked fine. He also mentioned that he has a guy that can come out and blow the line, but it will cost some $200 bucks or so. I have a large compressor and plenty of hose, but aren't sure about the rest. Was thinking of making a plug with the correct airline nipple to insert into the inlet and then pressurize, would that work? Also thought of one of those things you can put on the end of a hose that fills the gap as it blows water down the line. Really appreciate any ideas on this, don't want (nor can I right now) fork out the $$$.

    Thanks in advance!
    22k gal - PebbleFina/Plaster - Jandy Stealth 2spd - Jandy CV460 Cartridge - N2 Fusion SWG

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    duraleigh's Avatar
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    Apr 2007
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    Sebring, Florida
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    Re: Possible blockage in suction side line

    What is the psi on your filter gauge? Is the flow from the returns into the pool pretty good?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Possible blockage in suction side line

    I'll double check tomorrow, but psi is around 8-10. Regarding flow, I have a question: is it ok to run the pump on High Speed with the valve fully turned to the suction side (no skimmer)? When i'm on Skimmer only, Low Speed, flow is great. When I switch to Suction only, flow decreases. This was leading me to think that there is a blockage of some kind (have 4 kids). I tried to turn the valve to Suction only with High Speed, but the equipment didn't sound like it was liking that too much, so I stopped. Skimmer only, High Speed there's great flow.
    22k gal - PebbleFina/Plaster - Jandy Stealth 2spd - Jandy CV460 Cartridge - N2 Fusion SWG

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    Join Date
    Aug 2012
    Location
    San Diego
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    18

    Re: Possible blockage in suction side line

    14 psi is where i'm at after a filter cleaning (and some tapping on the front of gauge). Any thoughts on more troubleshooting?
    22k gal - PebbleFina/Plaster - Jandy Stealth 2spd - Jandy CV460 Cartridge - N2 Fusion SWG

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