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Posted by HeatPro on October 24, 2004 at 13:35:55:
In Reply to: Boiler size posted by Ron K. on October 24, 2004 at 09:33:51:
A 112,000 btuh out put boiler can heat a 4000 sq ft house insulated to modern standards. It is short-cycling if it runs less than 45 minutes of each hour in the coldest night of year.