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Thread: Timer replacement

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    Timer replacement

    I have an old "inoperative" Intermatic dual pole timer (T104P201) which I only use to turn the pump on/off manually. The heater is an old oil heater which is being removed...I just purchased a solar cover. I'm having a hard time determining an appropriate replacement timer since I only need the single pole now (no heater protection required). Also curious about any tips in installing...

    Thanks in advance...

    Maryland / 20' x 40' / Approx 33K gallons / Inground Vinyl / Hayward sand filter

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    Join Date
    Mar 2012
    Tampa Bay, Florida

    Re: Timer replacement

    I would assume that your pump is a 220 volt pump based on the size of your pool in your signature. If it is a 220 volt pump, you need a dual pole timer to break both sides of the 220 when you turn off the pump. The part # you listed above is a 220 V, 2 pole timer but it has an auxillary switch to operate the heater. You can buy a 220 volt timer (2 pole) without that switch for less dollars or you might even be able to replace the clock mechanism in that old timer (depending on the age).
    If you plan on throwing away the old timer, I'll take it off your hands for the cost of shipping + $5. Sometimes I can fix these and sometimes not, but I am a tinkerer. PM me if you plan on getting rid of it.
    John (DIYer). Concrete, approximately 13,000 gallon inground pool with adjoining concrete spa. Approximately 35 years old. Legacy Anthony Sta-Rite bronze pump CF6, VA-26 filter,(2 sets), new Rheem propane heater for spa. HASA Liquidator for pool.

  3. Back To Top    #3
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Timer replacement

    The simplest thing to do is to get a replacement timer motor. They are readily available and much less expensive than getting an entirely new timer.
    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

  4. Back To Top    #4
    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Timer replacement

    What's wrong with the old timer? If it's the clock you can replace it and not have to buy a new timer.

    If you have to have a new timer go with the T104 timer. Since you have a 230 volt pump you need to stay with the double pole timer.

    We all had the same ideas.
    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

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