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Can you "over vent" your steam main?
I have been thinking about adding another big mouth main vent to my main. I currently have 1 which I added this year which has helped out a lot. I was thinking of maybe adding 1 more on to it with a tee. Is it possible to over vent a steam main though?
My main is about 57ft. long off the head pipe to the end where the main vent is, and about 2.5in diameter.
Thanks for your help!