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Heat get to radiator, but radiator stays cold

DanLanDanLan Posts: 9Member
Hi, I am having a problem with one of my radiators (one pipe, steam system): the pipe to the radiator gets very hot, but the radiator itself stays cold.

I took off the vent off it and was able to blow air through it, so I think the vent is working. (If it makes a difference, this is the vent I have: https://www.homedepot.com/p/C-1-8-in-IPS-Angled-Steam-Radiator-Vent-Valve-A888/202246275).

The radiator is shimmed, but I don't know if it is properly pitched -- and I'm not sure how to measure the pitch.

Any suggestions?

Thanks!

Comments

  • Jamie HallJamie Hall Posts: 8,227Member
    An obvious question... is the valve to the radiator open?
    Jamie



    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.



    Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
  • unclejohnunclejohn Posts: 1,267Member
    You can blow air into the vent can you blow air into the rad.
  • DanLanDanLan Posts: 9Member
    > @Jamie Hall said:
    > An obvious question... is the valve to the radiator open?

    The valve is turned all the way open. I suppose it's possible that the valve could say it's open but still be closed.
  • DanLanDanLan Posts: 9Member
    > @unclejohn said:
    > You can blow air into the vent can you blow air into the rad.

    I don't understand.... why and how would I blow air into the radiator?
  • Jamie HallJamie Hall Posts: 8,227Member
    DanLan said:

    > @Jamie Hall said:

    > An obvious question... is the valve to the radiator open?



    The valve is turned all the way open. I suppose it's possible that the valve could say it's open but still be closed.

    Wouldn't be the first time.

    If you take the vent off and fire the boiler (have someone at the boiler to shut it off in case steam starts pouring out!) does the radiator heat at all? If not, I'd say it was time to have a closer look at that valve.
    Jamie



    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.



    Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
  • DanLanDanLan Posts: 9Member
    Thanks @Jamie Hall ! I'll give that a shot.
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