multiple steam main air vent plumbing

Howard_2

I have a section of my apt. building that is farthest from my boiler and I want to put multiple air vents on the steam main. First, what air vents do you recommend- Hoffman or Gorton or another- this is a 5 story building- and the boiler sits in the back of the building next door. The steam takes a long time to get to the front of the next building (which has no boiler) and then up to the 5th floor. Second, how do I size the pipes(pipe diameters and lengths of all nipples, tees and elbows) that make up this "tree" of air vents side by side on the steam main. I want to make sure my plumber does it right.

Mad Dog

Gortons are the best

#2s.....1/2" is nice for the tree 3/4" even mo' bettereer. Mad Dog

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Steamhead

But first

you need to know how big a "tree" you need.

Sounds like that's a fairly large pipe. Measure its length and diameter, and we can tell you what you need. While you're at it, measure the other mains too. Once they're all properly vented you'll never believe it's the same system!

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