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I replaced my 45 year old (still working) original furnace with an American Standard furnace about 5 1/2 years ago. Now I have a gas leak; the Nicor technician sealed a connection in the gas pipe connected to the furnace. He noticed the original gas line was being used & was crooked & could not thread properly, causing the gas leak.
Should old gas lines be replaced w/new installation? Is that "code"?
Not necessarily. Usually in these situations the existing infrastructure must be brought up to current code. A licensed installer would not install the furnace without insuring that the supply and the exhaust were up to current standards.
