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Thread: No Suction on vacuum

  1. #1
    Join Date
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    Default No Suction on vacuum

    My vacuum for my above ground pool has very little suction in the hose. When I attach the vac head, the suction deminishes to practically nothing. The pumps psi is 10. Any Suggestions????

  2. #2
    Poconos is offline SuperMod Emeritus Whizbang Spinner Poconos 4 stars Poconos 4 stars Poconos 4 stars Poconos 4 stars Poconos 4 stars Poconos 4 stars
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    Default Re: No Suction on vacuum

    For starters, some questions:
    -- What is the pressure with the vacuum hose and head disconnected, that is, normal operation?
    -- What kind of filter and pump size?
    -- Do you have a filter valve that lets you bypass the filter? Probably labelled 'recirculate'. If so, try vacuuming in that position and note the pressure.
    -- Did this problem just develop suddenly or has it been gradually getting worse?
    -- Is there any air in the system when you vacuum?
    -- Was there any system configuration change even though seemingly unrelated?
    Answers will help us home in on the problem and the pressure tells a lot. As for possible causes, crud gooping up the pump impeller, air leak in the vacuum hose, some other blockage on the suction side.
    Al

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