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Need help, on how this regulator works

DanHolohan Member, Moderator, Administrator Posts: 16,394
Nice find!
Retired and loving it.


  • MikeJ
    MikeJ Member Posts: 103
    American Radiator Company boiler

    Went to look at this very old boiler made by American Radiator Company. The boiler is round stands about 4' tall, its hot water gravity. What I would to know is on top of the boiler is a regulator #ARC0801-A it has a lever on it about 2 1/2 feet long with a weight that can be moved up and down the lever. Does any one know how this is suppose to work. Thanks Mike
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