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steam system with one pipe and two pipe?
Hey guys, I am pretty OK at one pipe but I have not ran into a lot of two pipe in my area. I have a good customer who has a bit of a combination of the two- I can imagine that this is unusual, but what I don't know is this a problem waiting for me if I change out the boiler. I found it odd that there would be a main vent at one of the returns, and a trap as well.
Thanks for any comments or input as to what to look out for, Gary
Wilson Services, Inc