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Thread: Heater help

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    Join Date
    May 2014

    Heater help

    Just bought a house with a pool, tried to start the heater. Pilot light works while pressing pilot light button but shuts off as soon as I let go. I have held it for 4 minutes and tried multiple times, no luck. I have a Hayward comfortzone CZ250. I'm trying to clean the pilot assembly but can't get to it, I am trying to take out burner drawer but all screws are out and it moves but I can't pull it out, is anyone familiar with this model and have some advice for me?
    Thanks so much

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    In the Industry

    ps0303's Avatar
    Join Date
    Jul 2011

    Re: Heater help

    Sounds like the thermopile isn't working and needs to be replaced. That unit is old and you would have to get generic parts to fix it as parts for this unit are scarce. There is also another possibility and that could be that the gas valve is faulty and the portion of the valve that is supposed to stay open to allow the pilot to continue to burn is bad. In that case a new valve is needed. How can you tell if you need a new valve? You need a multi meter to read the milivolts that the pilot is generating.
    Paul A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

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