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mod con on low firr

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hot_rod
hot_rod Member Posts: 22,256
and combustion numbers go up and down, never stabilize around 4.9
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream

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  • NY_Rob
    NY_Rob Member Posts: 1,370
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    Is your gas inlet pressure steady when firing?

  • Solid_Fuel_Man
    Solid_Fuel_Man Member Posts: 2,646
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    NG or LP?
    Serving Northern Maine HVAC & Controls. I burn wood, it smells good!