EDR

jim shea

I think I have an under sized boiler. Is there some simple math a DIY can use to figure the load on the rad's in my house. The boiler I have puts out 450-495 EDR I think it runs to long to get steam to all of my radiators.

Thank You Jim

DanHolohan

Jim, go here

http://www.burnham.com/pdfs/htghelper.pdf

And scroll to page 42.

Steamhead

You also may have

an air-venting problem. Are there large vents at the ends of your steam mains? What type of system is it- one-pipe, Vapor etc.?

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