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Posted by Robert on November 13, 2010 at 09:29:09:
I have a circa 1930's two story house with a circa 1990 steam boiler. Three years ago we added on to the house and eliminated one recessed radiator. Lately we've noticed that the upstairs rooms are slow to heat. One room rarely gets any heat. Right now I've got the boiler set at 74, running for 30 minutes and there is 0 pressure reading.
The radiators are recessed in the walls with metal covers. I really cannot access to inspect.
Any thoughts?