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Thread: timer box wiring for pentair ch 250 milivolt

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    timer box wiring for pentair ch 250 milivolt

    I am attempting to switch an old heater with a pentair ch250 natural gas milivolt. The qustion I have I followed the wire from my old heater to my automatic timer box. The gas valve and temperature setting knob are tied split together leading to the timer box. I do not know where to attach the wire from the timer to the pentair heater . I am thinking it would tie into the orange wire going to the gas valve Any help would be appeciated

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    Melt In The Sun's Avatar
    Join Date
    Oct 2009
    Tucson, AZ

    Re: timer box wiring for pentair ch 250 milivolt

    Davemonk, welcome to TFP!
    I have no idea how to help you, so...
    11,200 gal, Pebble-Tec; Tristar 2-speed 1hp - Swimclear 325 ft2 cart - SWG - A & A in-floor cleaner - Heat pump. For the poolside cooking, a Yoder Wichita and a Big Steel Keg!
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    Pool Clown's Avatar
    Join Date
    Sep 2008
    Silicon Valley, CA

    Re: timer box wiring for pentair ch 250 milivolt

    The wire from the timer is probably a fireman's switch. there should be a labeled wire on the heater where to splice into. You'll have to look around . Check the manual for possible splice location.
    Factory Warranty Station for:
    Jandy/Zodiac, Pentair, Sta-Rite, Raypak (Rheem, Rudd), Polaris,
    and Paramount pool cleaning systems.

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: timer box wiring for pentair ch 250 milivolt

    The manual is here, look for the remote switch connection indicated on the wiring diagrams for the various models.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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