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Thread: Pump/Filter Replacement for 25,000 gal IG Vinyl Pool

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    Join Date
    Jun 2012
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    Pump/Filter Replacement for 25,000 gal IG Vinyl Pool

    I have read lots and lots of post regarding this topic but would like direction accounting for the newest pumps and filters on the market. I have a 24-25,000 gal IG vinyl pool with one skimmer basket and 2- returns. Current set up is a sand filter Triton TR-50 (currently filled with Zeolite) and a 3/4 HP A.O. Smith E-Plus Pump (labeled HP=1.3?).

    The sand filter is in need of replacement while the pump was replaced a couple of years ago. I am looking to replace the sand filter, possibly filled with glass media. I would also like to add a solar set up (at ground level) in the near future.

    What is the minimum sand filter/pump set-up and what is the optimum?

    Thanks!
    26,700 Gal 18x36x5.5 Vinyl Pool
    Pac Fab Triton II TR-50 Sand Filter with Zeobrite media
    3/4 HP A.O. Smith E-Plus Pump (labeled HP=1.3?)
    Currently using pool cover to keep chlorine use down and temps up.

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    linen's Avatar
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    Jul 2010
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    Twin Cities, MN
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    Re: Pump/Filter Replacement for 25,000 gal IG Vinyl Pool

    For you 22000 gallon pool we would recommend a minimum 4.1 sq. ft. sand filter (yours is 2.46 sq. ft.).

    For the pump, you could consider replacing the motor with a 2-speed. What you listed was for the motor, do you know the model/make of the pump?
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Re: Pump/Filter Replacement for 25,000 gal IG Vinyl Pool

    The pump says CHii-3/4fe. No manufacture or anything else.

    Not sure where the 22,000 gal comes from but I was expecting to need a 5.0 CF filter.
    26,700 Gal 18x36x5.5 Vinyl Pool
    Pac Fab Triton II TR-50 Sand Filter with Zeobrite media
    3/4 HP A.O. Smith E-Plus Pump (labeled HP=1.3?)
    Currently using pool cover to keep chlorine use down and temps up.

  4. Back To Top    #4
    linen's Avatar
    Join Date
    Jul 2010
    Location
    Twin Cities, MN
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    8,649

    Re: Pump/Filter Replacement for 25,000 gal IG Vinyl Pool

    Quote Originally Posted by zymurdoo
    Not sure where the 22,000 gal comes from but I was expecting to need a 5.0 CF filter.
    My fault...for your 24000 gallon pool we recommend a minimum sand filter of 4.5 sq. ft.

    Quote Originally Posted by zymurdoo
    The pump says CHii-3/4fe. No manufacture or anything else.
    That sounds like a pentair challenger pump model 345213. The a.o. smith B2981 (115v) or B2980 (230V) motors would be a 2-speed replacements. Which voltage is yours?
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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