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Thread: water not flowing through pump

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    water not flowing through pump

    The water is not flowing through the pump in my pool. It worked yesterday but today it isn't. My light is on that says no flow. I have never had this problem and have no idea how to start to fix it. Thanks for any help.
    36,000 IG Vinyl, Aquarite Salt Generator, Sand Filter, Hayward 1 1/2 pump

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    spishex's Avatar
    Join Date
    Oct 2008
    Hillsborough, NC

    Re: water not flowing through pump

    Assuming your pool equipment is above the water line:

    Start by turning off the pump, opening the strainer lid and emptying the basket. Check the basket for any cracks. If it is badly damaged, you may want to check your impeller for debris. If your Hayward pump is a super pump (square lid/basket) you can reach it from the strainer pot. Just poke a finger through the hole that the basket normally covers (PUMP OFF) and check to see if you feel a piece of plastic or a bunch of grass. Plastic = good, Grass = clogged pump.

    Next, close your main drain and skimmer valves if you have them, put the basket back in and fill the strainer pot with water. Put the lid back on, open the valves, and turn the pump on. If the water in the pot doesn't move, you still have an impeller issue, possibly stripped threads. If it gets pulled down but no more water comes into the pump from your suction line after a minute or so, turn the pump back off and repeat the previous steps so you're ready to turn the pump back on, full of water.

    This time, set your multiport to 'recirculate' or 'bypass to pool'. Turn on the pump. If you get water flow this way, then you've got a filter issue, may just need to be backwashed/cleaned.

    Start with that and let us know how it goes.

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    launboy's Avatar
    Join Date
    Jun 2008
    S.E. Wisconsin

    Re: water not flowing through pump

    Are your valves open? Not to insult your intelegence but I've seen it happen before where somebody is doing maintenance or something and forgets to re-open a valve.

    Also, is your pump basket filled with water? This will help with diagnoses.

    18' x 42" Intex Easyset Pool, with 16' x 52" deep end in the middle. Approx. 5500 Gal.
    Hayward Power-Flo LX 1 HP, 100# Jacuzzi Brand Sand Filter(Piped underground so it looks nice) 8)
    3 - 2' x 20' Solar Pool Heater Panels(roof mounted)
    Goin' on 9 summers...NOBODY thought it would last this long.
    Buried Portable Spa sharing pumps and water with pool (Almost complete project)

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