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Thread: Replacing Single Speed Motor w/ Dual Speed Motor

  1. Back To Top    #1
    Sherra's Avatar
    Join Date
    Jun 2007
    South Carolina

    Arrow Replacing Single Speed Motor w/ Dual Speed Motor

    Is it possible to replace just the motor on my current single speed pump with a dual speed motor, or do I have to replace the whole pump?

    If I can replace just the motor, does it have to be the same manufacturer, or do I just need to make sure it fits & has the same THP (hp x sf)?

    Am I going to have something special done to my wiring? The pump is hooked up to a timer.

    Here is the label from my current pump.
    Kershaw County, South Carolina
    18x36 27,500 gal IG Vinyl Liner, sand filter, 1hp single speed pump running 6 hours twice per day, Hayward Swim Pure salt chlorinator, 2 skimmers, main drain, 3 returns, husband, 2 kids, 3 dogs, 2 guinea pigs

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: Replacing Single Speed Motor w/ Dual Speed Motor

    You can replace just the motor with any brand 2 speed motor, just match the SFHP and frame shape. You will also need a new shaft seal and to add a switch to select speed after the timer .... like a house 3 way light switch.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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  3. Back To Top    #3

    Join Date
    Jul 2014

    Re: Replacing Single Speed Motor w/ Dual Speed Motor

    This would be a great diy project! I need to do this.
    12,000 gallon pebble tech, caretaker 5 port,hayward super2 w/ 2hp motor,DE 48"

  4. Back To Top    #4
    sargent's Avatar
    Join Date
    Aug 2013
    Tulsa, OK

    Re: Replacing Single Speed Motor w/ Dual Speed Motor

    I believe the replacement two speed motor for that pump would be the the A.O. Smith B2982.
    14k gal IG vinyl, Jandy Flopro 1 hp up-rated, 2 spd pump, Hayward 325 sq ft cartridge filter, Circupool Si-40 SWCG

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