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Weil Mclain boiler age and specs

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mjgordon
mjgordon Member Posts: 15
in Strictly Steam
the corroded name plate looked like model A-B-665 series 2. Serial number is but readable by me.  Does this model number tell enough to determine the specs and age? 

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  • Steamhead
    Steamhead Member Posts: 16,842
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    That was made between 1974 and 1978, according to a CD I got at their factory years ago.

    The firing rate using the original burner is 1.6 gallons per hour. Unless that boiler originally had a flame-retention burner, you could upgrade the burner and drop the firing rate by 10% or so and still get the same output.

    More pics please!
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • mjgordon
    mjgordon Member Posts: 15
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    Pic of the boiler. Name plate fell off.  Beckett burner.  no

  • nicholas bonham-carter
    nicholas bonham-carter Member Posts: 8,576
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    If you have it replaced, make sure the new boiler is sized correctly by measuring the radiators. Search for EDR here.
    Make sure the supply piping is more correct than at present, and made of iron pipe. All he has to do is read, and follow the manufacturers instructions. Two risers out of the boiler may be required.
    Does the water level remain steady while firing?--NBC
  • mjgordon
    mjgordon Member Posts: 15
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    Water level sometimes bounces around within a half inch when firing a long cycle on a cold day.  It's been very reliable (honeywell controller flaked out last year) but I'm considering an upgrade to natural gas.  Can that be done with a burner swap on this boiler? 
    STEVEusaPA
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,539
    edited April 2021
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    You probably could put a gas conversion burner in that boiler but it;s not piped right and that boiler has a lot of miles on it. 1978 at best it's 43 years old and as I recall those had very narrow sections not the best steamer.

    I think your money would be better spent on a new boiler

    Just my opinion
    BobC

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