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Please help sizing Mills oil boiler?

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JohnNY
JohnNY Member Posts: 3,230
in Oil Heating
Hi,I'm trying to find the square foot/steam output of an old Mills "20" boiler, with a Carlin 102CRD burner and a 12 gpm tankless coil. Any help would be greatly appreciated.
Contact John "JohnNY" Cataneo, NYC Master Plumber, Lic 1784
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  • Steamhead
    Steamhead Member Posts: 16,835
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    According to the Hydronic Rating Handbook

    the 20 Smith-Mills series boilers have the following capacities:



    4-section: 415 EDR

    5-section: 575  

    6-section: 740

    7-section: 905
    All Steamed Up, Inc.
    Towson, MD, USA
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