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Thread: What adapter?

  1. #1
    Member irishal's Avatar
    Join Date
    May 2009
    Edmond, OK

    What adapter?

    Well, my old pump finally died and I purchased a new one, which of course has a different fitting for connecting to the sand filter. Below are 3 pics, my old pump, the pipe that attached to it and my new pump. What sort of adapter do i need to make my current piping work with this pump?

    Attached Images Attached Images
    30ft AGP
    2hp pump
    TFTestkits ,Pool Calculator, Pool School

  2. #2
    Junior Member
    Join Date
    Nov 2011
    Pasadena, California

    Re: What adapter?

    Looks like a nipple in the pump volute attached to a threaded union would work
    30,000 gunnite with emerald bay pebble tec
    Pentair fns 60 square feet DE filter
    Whisperflow 0.75 hp pump

  3. #3
    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: What adapter?

    If that's a standard union half on the filter hose then Axell is correct. All you need is a union and a nipple. If it's not I'd change the hose out to rigid PVC all the way.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 1.5hp Dynamo pump. 24" Pentair Sand Dollar Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit
    You can stop SLAMing your pool when you pass the OCLT (You lose 1ppm or less FC overnight, & You have .5ppm CC's or less) & your water is clear.

  4. #4

    Re: What adapter?

    Is that inner threading the right size to connect a pvc end (such as the ones you can buy at hardware stores)?

    the male end of the male+female threaded coupler
    TFP Expert - As proven by four years of crystal clear water :D
    [ Vogue Vectra 24' AG / Hard plumb: Waterway 2HP 2-speed, 27" sand filter & Pentair MiniMax 100 NG / Taylor K-2006 / Central IL ]
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  5. #5
    Senior Member
    Join Date
    Mar 2007
    Coastalish 'down easter'

    Re: What adapter?

    A standard 1.5" M/A (male adapter) schedule 40 PVC should connect to the pump.

    I would also add a 1.5" union to make 'playing with' or taking in the motor for the winter a LOT easier.

    If you need any help on sealing the threads or gluing the PVC - simply ask and we can tell you step - by - step what you'll need to get and how to attach the pump to the filter.
    Luv& Luk

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

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