During the short winter season when you run your gas furnace, your main concern will be that it works the way it should and provides the heat necessary for household comfort. Safety, however, is another concern. We don’t want to be alarmist and make you think the gas furnace in your house is a constant source of potential danger. Modern furnaces are constructed with the uppermost safety in mind, and few furnaces will create any hazards provided they receive routine maintenance inspections from professionals and are repaired promptly when the need arises.
But there is a specific repair issue we want to address—it’s the most important repair your furnace may need, because it is a major safety hazard. And that repair is…
