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Posted by Mark on January 20, 2007 at 10:59:47:
I have a large cast iron sectional boiler (650,000)
Whatever the temperature is outside the boiler runs for 2 min. and is off for 2 min. This can not be how it was desigend to operate. The boiler cuts in at two pounds and off at four pounds. I was told that 5# is to high of a pressure to run at? Thank for any help.