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Old Steam Boiler (Arcoliner series 1BT J2 model 154 T) How many BTUS? what to replace it with?

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jimfinn2016
jimfinn2016 Member Posts: 14
in Strictly Steam
Old Arcoliner - one pipe system steam, fires hot water too. Oil.

Only have a plate that tells model and series number, no where does it say BTU rating. Want to start planning to replace it and want to size accordingly based on BTU's? Anyone know how many BTU's this baby is .... and what I should be thinking to replace it with ?

Only got about 70 years out of this baby ... dont make them like they used to :-)

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  • KC_Jones
    KC_Jones Member Posts: 5,737
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    Steam boilers are to be sized by the connected load (EDR) not by the size of the old boiler. It could be right it could be wrong, the only way to know is to do the EDR calculations on your radiators.
    2014 Weil Mclain EG-40
    EcoSteam ES-20 Advanced Boiler Control
    Boiler pictures updated 2/21/15
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,523
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    what @KC_Jones said. The boiler is probably way oversized anyhow. Forget the rating and size it according to the connected radiation load PLUS a pickup factor

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