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Coldest night this year for the boiler. -10

Post in 'The Boiler Room - Wood Boilers and Furnaces' started by Gasifier, Jan 2, 2013.

  1. jebatty

    jebatty Minister of Fire

    Jan 1, 2008
    Northern MN
    I use a K-type probe inserted into the middle of the flue about 12-18" above the flue exit from the boiler. The probe provides output to a digital panel meter readout on my monitoring panel. Magnetic stick-on thermometers can be notoriously inaccurate. My general rule of thumb has been that they read about 50% of the interior center of flue temperature.

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