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Thread: Teldyne Laars Lite Pool heater

  1. Back To Top    #1

    Join Date
    May 2015
    Plainfield Illinois

    Teldyne Laars Lite Pool heater

    I have a teledyne laars lite pool heater. It starts and ignites and I see the blue flame on the burner tray. It stays running but it is not heating the water going to the pool. Any ideas?

  2. Back To Top    #2

    TFP Guide

    Join Date
    Jun 2012
    western NY

    Re: Teldyne Laars Lite Pool heater

    In order for the heater to run there needs to be water flow so it must be flowing thru the heater. How cold is the incoming water? What size (btu) is the heater? How big is the pool (gallons)? Have you used a thermometer to determine this or just put your hand in?
    Unknown make 18' above ground (bought used in 1999) Sparco sand filter. Hayward 100,000 BTu heater. 2 speed pump

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