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Thread: Hayward H150 Gas millivolt heater

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    Join Date
    Jul 2015
    Location
    Pittsburgh, Pa
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    2

    Hayward H150 Gas millivolt heater

    I have a 12 year old Hayward H150 Millivolt system. When I want to turn it on, many times I must drop the top tilt out access, and give a strong love tap to the back of white thermostat cube. All of the wires seem intact and contacts are sprayed with WD40 each Fall and Spring.
    Any ideas???
    24 foot ft above ground with Hayward 1 hp earth filter and Hayward H150 millivolt heater.

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    ps0303's Avatar
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    Jul 2011
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    FL
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    Re: Hayward H150 Gas millivolt heater

    Only way to determine what's wrong is to get out the volt meter and start measuring voltage thru the system. Or, pony up some $$ and get an updated system.
    Paul
    http://www.gastekservices.com 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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    Join Date
    Jul 2015
    Location
    Pittsburgh, Pa
    Posts
    2

    Re: Hayward H150 Gas millivolt heater

    Paul,
    I'm an old retiree with little mechanical aptitude. If a tap on the back of the thermostat turns it on, should I spend the $40 and just replace the thermostat. It looks easier than mastering a volt meter. I have the heater on wheels and clean and store it in a heated garage every Pittsburgh winter.
    24 foot ft above ground with Hayward 1 hp earth filter and Hayward H150 millivolt heater.

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