Q&A Automatic air damper for woodstove

Post in 'Questions and Answers' started by QandA, Aug 8, 2004.

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  1. QandA

    QandA
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    Question:

    We need an automatic air damper for a wood burning stove to install in an 8" stove pipe. It can be a bimetal strip operated device that closes on temperature rise so that it will be unnecessary to watch the incoming air damper so closely. Please advise



    Answer:

    There is no such device. There are the following solutions:
    1. Barometric Damper--this is the swing type damper you see on oil burners- and they do a very good job of evening out the draft. When the draft is too high- they open and spoil the excess draft by letting some room air into the chimney.
    2. Thermostatic damper for stove air inlet - I think a few companies make (or used to make) a device which can retrofit over an existing manual damper and make it thermostatic. I tried these once and didn't like it. Best off with #1 above...make sure the barometric you buy is designed for Coal and Wood (Field controls makes one)
     

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