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1972 american standard boiler 2B-J1 or A37 M-

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ken weaver
ken weaver Member Posts: 2
in THE MAIN WALL
i have a 1972 american standard boiler with a plate on that says A37 M and 2B-J1--what size (BTU) boiler is this thank you

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  • ken weaver
    ken weaver Member Posts: 2
    american standard boiler

    i have a 1972 american standard boiler with a plate on that says A37 M and 2B-J1--what size (BTU) boiler is this thank you
  • Steamhead (in transit)
    Steamhead (in transit) Member Posts: 6,688
    838 steam square feet EDR

    or 201 MBH on steam, 233 MBH on hot water. Firing rate with original burner 2.5 GPH, if you retrofit a flame-retention unit you can get the same input from 2.00 GPH.

    This is one of my favorite older boiler series.
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