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boiler age

scott75
scott75 Member Posts: 100
in THE MAIN WALL
I ran into an OLD American Standard boiler today and was wondering if anyone knew the aproximate age. The model is a G48, series 1BJ1. This had the pilot tubing that ran off the gas cock directly to the thermocouple through a regulator that was screwed into the gas cock via a pressure port. If thermocouple goes out, pilot gas stays on. Was this common years ago? First time I have seen it. I'm new and young.

Comments

  • Boilerpro_3
    Boilerpro_3 Member Posts: 1,231
    Not that Old

    If it is what I think it is. Probably from early 1960's with built in draft ivertor. They are quite tough and efficient too. A steamer I just tested was firing about 75% on my analyzer and my hot water version, with little left of the pins, was running about the same. With the addition of a stack damper and modern safeties, its about the same as the basic chimney vent models today.

    Boilerpro
  • scott75
    scott75 Member Posts: 100


    It came out about 77% efficient on the analizer. My concern is just the modern safeties, and efficiency. Sure, it's burning 77% but it is grossly oversized. A.G.A. ratings are 420,000btuh in and 336,000btuh out. Net IBR is 252MBH. I don't care how old or big the house is, that sounds oversized. This is a rental property (duplex) and tenants pay gas bill. It is split; 1st floor pays 40%, 2nd floor pays 60%. Last months gas bill cost the 1st floor tenants $300. Doubt owner will pay to have it replaced since he doesn't pay gas bill.
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