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Thread: MiniMax CH heater not working - bad thermocouple?

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  1. 06-19-2012 10:24 PM #1
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    PoolDoc
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    Default Re: MiniMax CH heater not working - bad thermocouple?

    Is this a millivolt heater (no 110V electrical connection) or a powered heater?
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  2. 06-19-2012 10:34 PM #2
    merit
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    Default Re: MiniMax CH heater not working - bad thermocouple?

    Quote Originally Posted by PoolDoc View Post
    Is this a millivolt heater (no 110V electrical connection) or a powered heater?

    It's a millivolt heater. I found the thermostat's service manual and it says I should have at least 200mv from the pilot generator, so I've ordered a new one. Hopefully that will take care of my issue.
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  3. 06-20-2012 12:32 PM #3
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    Default Re: MiniMax CH heater not working - bad thermocouple?

    Highly recommend you check the pilot light assembly for deterioration. A damaged flame guide can lower voltage a lot.
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