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  1. #1
    John Arnold's Avatar
    John Arnold is offline Member
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    Default thermally activated automatic vent dampers

    Anyone have an opinion (Ha,ha, that's a good one, ain't it!) on these things?

    I've think I've seem them on boilers before, but never on a water heater.

    Yes, I know it's disconnected from the draft hood. There's also a big rotted hole in the middle of the flue connector, so the whole thing got written up.

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  2. #2
    neal lewis's Avatar
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    Default Re: thermally activated automatic vent dampers

    John, I think I've read in a water heater installation manual not to re-install them. They're old and antiquated technology anyway.


  3. #3
    Eric Barker's Avatar
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    Default Re: thermally activated automatic vent dampers

    I don't like them and I think Neal is correct. I'd recommend that the client give it the heave-ho.

    Eric Barker, ACI
    Lake Barrington, IL

  4. #4
    Rod Butler's Avatar
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    Default Re: thermally activated automatic vent dampers

    WOW! Although the intent may be good the risk is way too big that the thing could malfunction.

    IMO, as a father more than any other reason, I would get rid of it and deal with the minimal loss of heat as a result.


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