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Thread: Air Leak???

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    Air Leak???

    Are there any tip or tricks to finding an air leak? Every morning I have to go out and bled the air out of the system after it sits all night not running. When it is running the water in the basket and coming out of the jets in the pool is crystal clear, No signs of any air. But after the pump sits turned off over night the water in the basket drops down an inch or two. Some times more than others, Last night it only dropped about a ½". It is a Hayward North star 2hp pump and I rebuilt it about 6 weeks ago. This problem just started after I vacuumed the pool last week. There are no visible signs of water anywhere. Any help would be great. Thanks
    Tom & Yvonne
    Henderson Nevada
    17k in-ground

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    Mod Squad Bama Rambler's Avatar
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    Re: Air Leak???

    Do you get air in the pump basket when the pump is running?
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: Air Leak???

    Quote Originally Posted by Bama Rambler View Post
    Do you get air in the pump basket when the pump is running?
    No it runs clear,
    Tom & Yvonne
    Henderson Nevada
    17k in-ground

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    Mod Squad Bama Rambler's Avatar
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    Re: Air Leak???

    What type filter do you have?
    If it's a sand filter you could have a leak out the waste line.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: Air Leak???

    Quote Originally Posted by Bama Rambler View Post
    What type filter do you have?
    If it's a sand filter you could have a leak out the waste line.
    I have a Hayward cartridge filter. Do you think the leak could be on the discharge side of the pump? I have been looking on the suction side. Thinking if it was on the discharge side I would see signs of water.
    Tom & Yvonne
    Henderson Nevada
    17k in-ground

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    Mod Squad Bama Rambler's Avatar
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    Re: Air Leak???

    It could be since you're not getting any air in the pump basket.
    Have you lubed the basket o-ring and resealed the drain plug?

    It could be the air release valve on the filter letting in air when the pump isn't running.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: Air Leak???

    I was thinking air leak too, I did vaseline all the o-rings and gaskets, I have not messed with the drain plug but I will. If anyone knows where I can get 1 1/2" T that will accept a 1/4" Gauge please message me!
    Michigan- 6000 gallon inground fiberglass, 1 1/4 hp Jandy pump, Tropic flo 100 cart. filter, Hayward gas heater. Open Memorial day to Labor day.

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    Re: Air Leak???

    Quote Originally Posted by Bama Rambler View Post
    It could be since you're not getting any air in the pump basket.
    Have you lubed the basket o-ring and resealed the drain plug?

    It could be the air release valve on the filter letting in air when the pump isn't running.
    Thanks, I will check that tonight. I can plug that off and see if that helps.
    Tom & Yvonne
    Henderson Nevada
    17k in-ground

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    Re: Air Leak???

    Quote Originally Posted by sandman0_0 View Post
    Thanks, I will check that tonight. I can plug that off and see if that helps.
    No Difference, Water is still dropping in the basket overnight.
    Tom & Yvonne
    Henderson Nevada
    17k in-ground

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    Mod Squad Bama Rambler's Avatar
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    Re: Air Leak???

    Do you have a valve on the discharge of the pump or on the return line? If so, close it tonight and see if the water has dropped in the morning. If it has the leak is before the valve. Also valve handle seals can leak and cause the issue you're seeing.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Join Date
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    Perrysburg, OH
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    Re: Air Leak???

    Mine always drops at night too but I know where I have a few leaks in the plumbing. However, the air is always purged out within first 30 seconds of running the pump so I don't sweat it much...
    16 x 32 inground vinyl pool (21000 gallons) (new liner installed 2014)
    Hayward max flo pump w/ 1 HP AO Smith motor (new motor 2014)
    Hayward C1200 cartridge filter (new 2014)
    Hayward H150 heater

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