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How to find BTU rating for 1950's Arcoliner

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David_Dubois613
David_Dubois613 Member Posts: 1
in THE MAIN WALL
Hi folks. I'm putting in a flue liner and need the BTUs for my Arcoliner model 0 155T, Series 2BT J3. Any ideas about either where to find it, or how to estimate it? Thanks!

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  • STEVEusaPA
    STEVEusaPA Member Posts: 6,506
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    There's no plate on it anywhere?
    Oil, check the nozzle and pump pressure. Gas, clock the meter.
    Although if you're lining the flue on a 70 year old boiler, the liner may end up being too big when you replace.
    steve
    Charlie from wmass
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,519
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    What @STEVEusaPA said
  • Steamhead
    Steamhead Member Posts: 16,832
    edited May 2021
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    It's in here. The T in your boiler's model number (155T) probably means it has a tankless domestic hot water coil:

    https://heatinghelp.com/assets/documents/182.pdf

    There were a couple different versions and the rating is different for each. The "wet base" version has the return connection at the very bottom of the boiler, while on the "dry-base" version it is maybe a foot or so above the bottom. If you're not sure take some pics and post them.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting

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