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Thread: Heater will not kick on

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    Heater will not kick on

    My RP2100 Raypak heater will not kick on. The pilot light is lit and when I turn the temperature gage, i can hear it click at the low temperature. Is there something I should check to see why it isn't kicking on? At the beginning of the season, it took awhile to go on, but it finally did. Now it won't go on at all.

    Any suggestions is appreciated.


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

    Re: Heater will not kick on

    I don't know much about gas heaters, but wanted to say that if you search the site for "raypak rp2100" or something similar, you might find the answer in an older thread. Use the google search at the very bottom left corner of the page. Good luck!
    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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    Re: Heater will not kick on

    Seems this is a bad year for Raypak's in general.

    Tim, as Melt mentioned, do a quick search on Raypak. You'll find a ton of threads, most of them from this season.
    Kansas City, MO
    13500 gallon Foxx vinyl sport pool--inground (1988)
    Cristal-Flo sand filter
    Ray-Pak 406A digital
    1.5 HP single speed
    400 gallon Heldor inground spa, octagon

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    TFP Guide

    Join Date
    Jun 2012
    western NY

    Re: Heater will not kick on

    is this a milivolt heater or a standard thermocouple heater?
    Unknown make 18' above ground (bought used in 1999) Sparco sand filter. Hayward 100,000 BTu heater. 2 speed pump

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