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Steam trap

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Chowdahead
Chowdahead Member Posts: 59
in THE MAIN WALL
Help on this one please

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  • RJ_4
    RJ_4 Member Posts: 484
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    trap

    Looks like an old school F&T trap  with an external T part,  hard to say, describe   where the piping is coming from and going to
    RJ
  • Steamhead
    Steamhead Member Posts: 16,835
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    I think

    that's a "float trap/air eliminator" as described in chapter 15 of Lost Art. It is the only place where air is vented from the system.



    Is this device on the dry return near the boiler?
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • unclejohn
    unclejohn Member Posts: 1,833
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    Looking at it

    Sideways I believe and my first thought was also some kind of vent.
  • Chowdahead
    Chowdahead Member Posts: 59
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    Steam trap

    Yes the trap is located on the return
  • RJ_4
    RJ_4 Member Posts: 484
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    trap

    Take a temp. reading from inlet to outlet, if the temp is the same this would indicate a problem with the trap, it can be replaced with a Hoffman F&T trap. there would be extensive repiping
    RJ
  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,526
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    I agree.

    It's a central air eliminator. The float keeps the boiler water from flowing out the vent hole. It's not a steam trap.
    Retired and loving it.
  • RJ_4
    RJ_4 Member Posts: 484
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    no trap

    Thanks Dan for the clarifiiation  looked like an old trap but the piping did not seem right
    RJ
  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,526
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    I'm glad you asked.

    A trap in that spot would have hurt. 
    Retired and loving it.
  • Chowdahead
    Chowdahead Member Posts: 59
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    Steam trap

    Thank you for the info, now for 64 thousand dollar question, what can replace it.
  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,526
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    Is it broken?

    If so, a high-capacity main vent. But if it still vents I'd leave it.
    Retired and loving it.
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