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Which one would you trust ?

Post in 'Classic Wood Stove Forums (prior to approx. 1993)' started by Jerry045, Nov 8, 2012.

  1. Jerry045

    Jerry045 Member

    Oct 3, 2009
    Quebec City
    Since many years I use a temperature probe to check the flue temperature for my Jotul combifire #4. I try to maintain the temp near 400F or more, to reduce creosote. Two years ago I cleaned the probe and since that time, the readings appeared to have somewhat changed. So yesterday I bought a new probe and check its performance against the old one. Well there were differences in readings.
    On the new one, I got readings around 700F and when I replaced it with the old one, I read something like a bit more 400F; true between the exchange the flue temp may have dropped a bit, say to 600F or so. But this is quite a difference to me. I am more leaning to trust the new one. Am I right ?


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  2. tfdchief

    tfdchief Minister of Fire

    Nov 24, 2009
    Tuscola, IL
    I agree, probably more trust in the new one simply because it is new. However, with that much difference, I wouldn't trust either one very much. I would gladly pay more for a stove pipe probe thermometer that I knew was accurate. There are quite a few threads on this forum on the topic if you wish to read more. Just do a search. Here is one - http://www.hearth.com/talk/threads/...dar-probe-flue-thermometer.78251/#post-998275
  3. begreen

    begreen Mooderator Staff Member

    Nov 18, 2005
    South Puget Sound, WA
    Hard to say but I would probably go by the new one as well. This is on double wall pipe, right?

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