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Thread: Autopilot ST-220 Power Supply Fail - Options?

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    Autopilot ST-220 Power Supply Fail - Options?

    Hi all,

    As a new pool owner after having got a bank-owned home, I realized my SWG wan't generating chlorine. I called up a local company that services Auto-Pilot and they confirmed that the cell is bad as well as the power supply.

    After they gave me options (all of which were SWG system replacements at costs higher than I expected!) I decided to do some research.

    I'm currently leaning towards buying a DIG-220 power supply and a larger cell since my system already has the manifold/sensor in place. Does anyone know if this controller upgrade comes with any pitfalls, or is it more or less a straight swap?

    Are there any other considerations you can think of? This approach will save me approx $1K over what I was being quoted.

    Thanks, I appreciate the expertise.


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

    Re: Autopilot ST-220 Power Supply Fail - Options?

    It should be a straight swap out. If you want to change the complete system, you should look at the Compupool units. They've been getting good reviews and have less bells and whistles if you just need a good generator.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp 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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    Join Date
    Apr 2007
    Ft Lauderdale, Florida

    Re: Autopilot ST-220 Power Supply Fail - Options?

    madrupe, it is a straight swap out. The new Digital has improvements to the software and power module that allows it to run cooler than previous models. We know heat is always detrimental to circuit boards, so the changes to cool it off has resulted in less customer service calls.
    Going with the larger cell will also help with maintaining your pool and longer cell life.
    Sean Assam -
    National Accounts and Commercial Products Manager
    AquaCal Heat Pumps
    AutoPilot Salt Chlorine Generators

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