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Help with age of American Radiator Company oil burning boiler #11?

I am looking for insight into the age of my boiler. I am guessing it is pre-1929 since the plate doesn't use "Standard" yet. I haven't been able to find a breakdown of the old ARCO serial numbers. Can anyone here share their expertise?
ARCO Oil Burning Boiler #11
Serial # W-0911G 1BJ2







Comments

  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 9,130
    Look inside the Honeywell switching Relay, sometimes they are dated. Black cover control next to the 24 VAC transformer above the boiler.

    My guess is after 1942 before 1950.

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 9,130

    It is listed here on page 18 of the Beacon Boiler book. "White pages boilers before 1959".
    Listed as obsolete back then. So it was old in 1959.

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 16,248
    30s-40s would be my guess