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Starting up a boiler after extended absence
So after being off for 15 months, it's time to start up my W-M PEG. I have new runouts and new radiators, so here are my questions.
1) Should I flush or skim or do anything before?
2) I want to add main vents. I have called several highly-regarded local plumbers, and all of them say I don't need to do it, and it seems like they don't want to touch it. So is this something I can do myself? What tools would I need? I think I can borrow most tools from a contractor friend and get him to assist, but neither of us have done this before.
3) Regarding main vent sizing, I read "Balancing Steam Systems with a Vent Capacity Chart," and it makes sense, but since the current system has no main vents, I can't time how long it takes the steam to get to the main vent. So do I just feel when the end of the pipe gets warm? Or can I ballpark it using volume of air in the pipe? It's a 2 inch pipe, and one side is 35 feet from the boiler and the other side is 15 feet from the boiler.
4) How do I choose which column to use (ounces of pressure)? I have the standard pressuretrol, and it doesn't go to ounces.
Thanks in advance. I love this group.