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radiators with no vents

hello all, I have an English Tudor built in 1927 in New Jersey with. you guessed it single pipe steam heat! I have a number of recessed radiators that do not have the typical vent on the radiator. Some actually do have vents but again some of them don't. I read the thread about American Radiator having built in venting system but I honestly do not think this is what I have.... Has anyone come across steam radiators with no vents? I can provide pictures if need be.

Any help or insight is appreciated..

Chris in NJ


  • Jamie Hall
    Jamie Hall Member Posts: 23,322
    If there isn't some means of venting, those radiators will heat poorly -- if at all. So... ?

    Some pictures surely would help.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • ethicalpaul
    ethicalpaul Member Posts: 5,704
    Hi fellow NJ steam utilizer! We always love pictures
    NJ Steam Homeowner. See my sight glass boiler videos: https://bit.ly/3sZW1el
  • clammy
    clammy Member Posts: 3,111
    Are you sure you have a single pipe ? It may be that some one removed them and never replaced them and just plugged them . Where u located peace and good luck clammy
    R.A. Calmbacher L.L.C. HVAC
    NJ Master HVAC Lic.
    Mahwah, NJ
    Specializing in steam and hydronic heating