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Main steam vent placement

ktt
ktt Member Posts: 3
in THE MAIN WALL
> I have a single pipe steam heating system in a 3 <BR>
> floor brownstone with no mains. I've consulted <BR>
> with two plumbers and one recommends placing a <BR>
> hoffman #75 vent on the top floor at the end of <BR>
> the run (in my bedroom as a matter of fact). The <BR>
> other recommends placing the vent in the boiler <BR>
> room, gas fired, at the return piping. Having a <BR>
> vent in my hoffman #75 vent in my bedroom concens <BR>
> me for noise and humidity issues but I'm not sure <BR>
> puting the vent in the boiler room will work. <BR>
> Which options is better or correct?? <BR>
<BR>

Comments

  • ktt
    ktt Member Posts: 3
    Main steam vent placement

    I have a single pipe steam heating system in a 3 floor brownstone with no main vents. I've consulted with two plumbers and one recommends placing a hoffman #75 vent on the top floor at the top of the run (in my bedroom as a matter of fact). The other recommends placing the vent in the boiler room, gas fired, at the return piping. Having a vent in my in my bedroom concens me for noise and humidity issues but I'm not sure puting the vent in the boiler room will work. I have 1 1/4" vertical mains running a 25' with a 18' horizonatal run (2" pipe) from the boiler to the riser for a total run of approx. 33'. Which options is better or correct??
  • Bob W._3
    Bob W._3 Member Posts: 561


    Post the length and diameter of your mains. Someone will help.

    OK, I see you edited your post. You have about .4 cu. ft. in your main. A Gorton No. 1 or Hoffman No. 75 would be sufficient to vent the main in the boiler room. If you vent the riser instead you may want to stay with a Hoffman No. 75 as I believe that vent closes against water, where the Gorton does not. Not sure of that but that is my recollection. Steamhead or any of the steam guys?
  • Bob W._3
    Bob W._3 Member Posts: 561


    Bump.
  • Steamhead (in transit)
    Steamhead (in transit) Member Posts: 6,688
    Gortons do close against water

    there are very few vents made today that don't. Either the Gorton #1 or Hoffman #75 is fine, but the Gorton is less expensive.

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