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Thread: Now I got air bubbles in the discharge

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    Now I got air bubbles in the discharge

    Just got through replacing the intake discharge side connections to the pump as well as putting in a brand new pump motor. Well I think I still have a leak on the intake side because although the pump is priming there are still a lot of air bubbles and I have a lot of air coming out my discharges into the pool? Could this be caused by anything other than a leak on the suction side?

    Here's a pic of the plumbing/valves on the intake side of the pump
    Attached Images Attached Images
    My pool:
    Built 2004, 14K gal, IG plaster,Pentair WhisperFlo 2 HP pump(1 speed), Pentair FNS Plus DE filter,
    In Floor cleaning system, Attached Spa with Spillover seperate WhisperFlo pump for jets.

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    Mod Squad zea3's Avatar
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    Re: Now I got air bubbles in the discharge

    It looks like the pump with the white motor casing has a pretty big air bubble in the lid. I would check the o ring on the pump strainer pot lid. If it is in good condition lube it well with silicon pool lube and make sure the lid fits snug on the pump pot. If that is all good check the above ground pipe joints for leaks. Drizzle water across the joints and watch to see if any gets sucked into them. Also check the drain plug on the pump and make sure it is snug
    TFP Moderator
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    Re: Now I got air bubbles in the discharge

    Could this be caused by anything other than a leak on the suction side?
    No. Air in the system enters somewhere on the suction side.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
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    Re: Now I got air bubbles in the discharge

    Quote Originally Posted by duraleigh
    Could this be caused by anything other than a leak on the suction side?
    No. Air in the system enters somewhere on the suction side.
    That's what I thought

    Thanks
    My pool:
    Built 2004, 14K gal, IG plaster,Pentair WhisperFlo 2 HP pump(1 speed), Pentair FNS Plus DE filter,
    In Floor cleaning system, Attached Spa with Spillover seperate WhisperFlo pump for jets.

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    Mod Squad jblizzle's Avatar
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    Re: Now I got air bubbles in the discharge

    Do you still see air in the pump lid?
    Did you purge the air out of the filter using the air release valve?
    Jason, TFP Moderator
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    Re: Now I got air bubbles in the discharge

    check the o-ring in the jandy valves, and check around the joints on the suction side with smoke for air leaks

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    Re: Now I got air bubbles in the discharge

    Quote Originally Posted by DBfan187
    check the o-ring in the jandy valves, and check around the joints on the suction side with smoke for air leaks
    I changed the O rings in the Jandy valves but I didn't have anything to use for smoke to check for air leaks. I tried soapy water but couldn't see anything. I had one connection that was suspect so I used Water Weld around it. Everything is working great now. I'm going to buy a couple of the 3 way Jandy Valves and keep them on hand for when I need to rebuild the suction side. But I'm hoping this will work for awhile.

    Thanks for everyone's help on this
    My pool:
    Built 2004, 14K gal, IG plaster,Pentair WhisperFlo 2 HP pump(1 speed), Pentair FNS Plus DE filter,
    In Floor cleaning system, Attached Spa with Spillover seperate WhisperFlo pump for jets.

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