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Thread: Replacing leaking pool pump

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    Replacing leaking pool pump

    My pool pump is leaking, and I assume it is easier to replace it than fix it. Correct?
    I currently have a Hayward 1 HP. This only lasted 3 years. Does it make sense to buy some higher quality pump, or is Hayward a good deal?
    36 x 18 oval pool, inground, plaster pool.
    27000 gallons
    1 hp pump. Sand filter
    Pool built in 1971.

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    Mod Squad zea3's Avatar
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    Re: Replacing leaking pool pump

    It depends on where the pump is leaking. If it is the area between the wet and dry ends you may just need a new ceramic seal which would probably cost less than $20. Could you post a picture of the leak?
    TFP Moderator
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    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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    Re: Replacing leaking pool pump

    I can't see the leak itself. I see a big wet area that spreads all around the pump. Would a picture of that be useful?
    36 x 18 oval pool, inground, plaster pool.
    27000 gallons
    1 hp pump. Sand filter
    Pool built in 1971.

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    Mod Squad zea3's Avatar
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    Re: Replacing leaking pool pump

    Yes, it could help. When the pump is off, can you feel underneath it to see if the underside of the pump is wet? Also you may be able to see drips when the pump is running. A brief video of the pump while running could help us see the problem also.
    TFP Moderator
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    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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    Re: Replacing leaking pool pump

    pump1.jpg

    - - - Updated - - -

    pump2.jpg

    - - - Updated - - -

    I felt under the pump and it is dry. The leak must be coming from in front of the pump. What is the correct name for the thing that has the basket and the pipes go into?

    The pictures are the best I can do now because of the contrast of sun and shade. I will try again later.
    36 x 18 oval pool, inground, plaster pool.
    27000 gallons
    1 hp pump. Sand filter
    Pool built in 1971.

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    Mod Squad zea3's Avatar
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    Re: Replacing leaking pool pump

    The front of the pump is the strainer pot. Below the intake pipe on the front of the pump there should be a small drain plug. Check it and see if it is tight.
    TFP Moderator
    Helpful links: TF Test Kits,TFP Pool School, PoolMath
    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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    Re: Replacing leaking pool pump

    Below the intake pipe on the front of the pump there should be a small drain plug. Check it and see if it is tight.
    Yes it is tight.
    36 x 18 oval pool, inground, plaster pool.
    27000 gallons
    1 hp pump. Sand filter
    Pool built in 1971.

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    Re: Replacing leaking pool pump

    Pump running, there will not be any leaks in the front of the pump.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Replacing leaking pool pump

    Pump running, there will not be any leaks in the front of the pump.
    Pump is running and it is now leaking from under strainer pot. Feeling under the pump, both front and back, I feel no dampness. The strainer pot sits on the slab so I can not feel under it.

    I will turn off the pump for the night and check in the morning.
    36 x 18 oval pool, inground, plaster pool.
    27000 gallons
    1 hp pump. Sand filter
    Pool built in 1971.

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    Re: Replacing leaking pool pump

    The pump only leaks when it is running.

    I left it off last night, and this morning the only moisture was what must have been left from yesterday when it was running. Maybe it leaked a few drops last night, but very little. I felt under the pump and it was dry. I turned it on and it started leaking again, but it was still dry under the pump. What does this tell us?
    36 x 18 oval pool, inground, plaster pool.
    27000 gallons
    1 hp pump. Sand filter
    Pool built in 1971.

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    Re: Replacing leaking pool pump

    I have the same Hayward pump. I would suspect the ceramic pump seal as I usually end up replacing mine every year. Cheap and easy to replace.
    18' X 36' X 4.5' vinyl oval in-ground 17K gallons, 250K BTU Pentair Master Temp NG heater, 1HP Hayward Super Pump, Hayward S200 sand filter, Hayward Pool Vac, Extreme mesh safety cover, TF-100 test kit.

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    bobodaclown's Avatar
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    Re: Replacing leaking pool pump

    General precaution would be to change out the shaft seal. Easy and cheap. There are tons of videos on how to change the shaft seal. Wet ends of pumps are pretty bullet proof, leaking shaft seals, drip water on the bearings, wash out the lubricant in the bearing, the bearing overheats, causes drag, makes a racket, then takes out the windings in the motor. If you're so inclined, you could change out the shaft seal and bearings.
    17K Kidney Shaped Pool Concrete (Diamond Bright) Pool, 3/4 hp 2 speed 115V Sta-rite Duraglas PEA5D-180L/P2R5D-181L (Impeller C105-92PS Diffuser C1-216P), 1.5 piping, Pentair CC100 Filter , Heat Siphon 100K BTU Heat Pump Pool Heater, Flow meter Blue White Flowmeter Model No. F-30150P, Hayward Astrolight SP0581N, SWCG CalimarTitanium Edition TE45 , Dolphin Nautilus Plus with CleverClean, Lakeland Florida

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    Re: Replacing leaking pool pump

    Are the ceramic pump seal and the shaft seal the same thing, or two different seals to change?
    I obviously don't know much about this, but if I know what to look for on youtube I can probably figure it out.
    36 x 18 oval pool, inground, plaster pool.
    27000 gallons
    1 hp pump. Sand filter
    Pool built in 1971.

  14. Back To Top    #14
    bobodaclown's Avatar
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    Re: Replacing leaking pool pump

    Yes the same.
    17K Kidney Shaped Pool Concrete (Diamond Bright) Pool, 3/4 hp 2 speed 115V Sta-rite Duraglas PEA5D-180L/P2R5D-181L (Impeller C105-92PS Diffuser C1-216P), 1.5 piping, Pentair CC100 Filter , Heat Siphon 100K BTU Heat Pump Pool Heater, Flow meter Blue White Flowmeter Model No. F-30150P, Hayward Astrolight SP0581N, SWCG CalimarTitanium Edition TE45 , Dolphin Nautilus Plus with CleverClean, Lakeland Florida

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