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Steam baseboard vent maintenance help

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zigloo99
zigloo99 Member Posts: 5
in Strictly Steam
I'm unsure what kind of vent this is for a baseboard in a 1-pipe steam system. It looks like this and I haven't been able to find anything similar looking online.

Have suggestions or equivalent vent products to suggest to use in this setup?


Comments

  • JUGHNE
    JUGHNE Member Posts: 11,062
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    Show us the other end of the baseboard also, please.
  • zigloo99
    zigloo99 Member Posts: 5
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    Here is the other side @JUGHNE


  • Jamie Hall
    Jamie Hall Member Posts: 23,324
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    Unless I am sadly mistaken, that is a hygroscopic steam vent, similar to the Hoffman Model 508. I have no personal experience with them at all! But they are alleged to work -- and replacements are available on ebay, of all places.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • Big Ed_4
    Big Ed_4 Member Posts: 2,785
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    It's an Maid of the Mist ...

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  • Mike Cascio
    Mike Cascio Member Posts: 143
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    Drill a small hole in the cover and install a straight convector vent with a coupler and nipple. Those hydroscopic vents are junk.
  • Big Ed_4
    Big Ed_4 Member Posts: 2,785
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    But you want an very slow vent .. It's an single pipe iron base board ... They should be installed two pipe

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  • Dave0176
    Dave0176 Member Posts: 1,177
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    That is an old Hoffman No. 500 steam vent, for both hot water and steam believe it or not. Just replace it with a straight Gorton vent.
    DL Mechanical LLC Heating, Cooling and Plumbing 732-266-5386
    NJ Master HVACR Lic# 4630
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  • Mike Cascio
    Mike Cascio Member Posts: 143
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    Definitely not a case where something will work well with two different kinds of heating system.
  • Big Ed_4
    Big Ed_4 Member Posts: 2,785
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    I think I would try again the #500 or #508 ... Better then an HeatTimer

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  • zigloo99
    zigloo99 Member Posts: 5
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    Thanks! I'm going to try the #508, for now, to see how it works out as it's cheap to test with.

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