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Posted by Neil on January 11, 2004 at 10:29:24:
I have a single pipe steam system in my home. The boiler was replaced with a new Weil McLain 2 years ago. We're having a real cold snap in the northeast right now and all of a sudden, the radiators are not pumping out a lot of heat. They're not cold, just not throwing off the amount of heat they usually do. I mean, if the boiler runs constantly, I'd have to open the windows to let some of the heat out it gets so hot in here. Now, the thermastat shows 67 degrees, its set at 70, the boiler runs non-stop and the house isn't getting very warm. I've read a lot of posts on here and see the problems as bad valves (I have vari-valves), not enough steam pressure, air in the pipes, etc. Anyone have any ideas on how I can pinpoint the problem? It's very unusual for the furnace to be running constantly and yet not producing enough heat. Thanks.