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Hello, can anyone help me identify what brand furnace is this? Trying to get some info on it

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  • efarrenovate
    efarrenovate Posts: 6

    I was call to service this furnace, it seems very very old. This is the only name plate on it. I would like to get some information on it before attempting to do any work on it. Thanks very much for your help as usual.

  • Steamhead
    Steamhead Posts: 18,834

    This was probably a small local or regional manufacturer. Marietta is a small town in Lancaster County, PA along the Susquehanna River just north of Columbia. If there is a historical society there you might check with them.

    Co-Founder, All Steamed Up, Inc.

    Baltimore, MD, USA

  • bburd
    bburd Posts: 1,324

    Given the age of that boiler it is probably very simple, with industry standard parts like gas valve or oil burner, circulator etc. Servicing should be quite straightforward.

    —
    Bburd
    mattmia2SuperTech
  • 109A_5
    109A_5 Posts: 4,363

    Apparently no luck a decade ago.

    https://forum.heatinghelp.com/discussion/81740/marietta-metal-products-co

    National - U.S. Gas Boiler 45+ Years Old
    Steam 300 SQ. FT. - EDR 347
    One Pipe System
  • mattmia2
    mattmia2 Posts: 17,994
    edited January 2025

    Should be about the same as any other boiler from the 50's/60's. Probably 60's since it seems to have a combination valve.

  • EBEBRATT-Ed
    EBEBRATT-Ed Posts: 20,942

    Looks like a boiler not a furnace. I can see a circ pump.

    mattmia2
  • HeatingHelp.com
    HeatingHelp.com Posts: 271
    image.png

    Couldn't find much info on this gas fired steel boiler either, but here is its water rating from the Beacon Boiler Reference Book for new boilers between 1959-1972. https://heatinghelp.com/assets/documents/201.pdf

    Forum Moderator

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