Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 5 of 5

Thread: new inground--pump and filter system? NEWBIE

  1. Back To Top    #1

    new inground--pump and filter system? NEWBIE

    HEY!
    We're getting ready to have a 14x28 inground installed this fall............we are current users of an 18x33-52"
    above ground.........we are getting mixed info about pumps.......the one co. want's us to use the inteli flow, variable speed for a $900. premium..........is it worth it?
    Also, what about the cartridge filters? We've been using sand for 12yrs.
    What size pump does everyone recommend for this size pool? 3ft -5ft depth........14x28
    They are using pentair products in our area now.............
    Intex Easy Set 18'x48" Intex 2500 gpm sand filter, Deluxe skimmer.

  2. Back To Top    #2
    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    Location
    SouthWest Alabama
    Posts
    22,337

    Re: new inground--pump and filter system? NEWBIE

    The payback breakpoint for the variable speed pumps is if your electric cost are about 22¢ per kwh. If it's less than that you're better off with a 2-speed pump. Since they're using Pentair, the Whisperflo WFDS-3 or the WFDS-24 are good choices. They're the same pump just rated differently.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

  3. Back To Top    #3

    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Location
    Sebring, Florida
    Posts
    30,077

    Re: new inground--pump and filter system? NEWBIE

    This is somewhat generalized but one of our forum members, mas985, has done some rather extensive work on pool pumps, etc. and I believe he would say that you will not get your money back on a VS pump unless your electric rates a pretty high.

    I would suggest a 1hp two-speed as a better option. Even a .75hp single speed is a workable option.

    Secondly, if you have been happy with sand, don't change. Sand and Cartridge filters have different characteristics but if you are used to one kind, you won't like the other.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  4. Back To Top    #4
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: new inground--pump and filter system? NEWBIE

    A variable speed pump usually pays for it's self when electric rates are above $0.20/kwh. At lower electric rates and small two speed pump is your best choice.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  5. Back To Top    #5

    Re: new inground--pump and filter system? NEWBIE

    THANKS ! We're certainly ck. into the two speed pumps.........probably stick the sand too !!
    Intex Easy Set 18'x48" Intex 2500 gpm sand filter, Deluxe skimmer.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •