Cracked furnace heat exchangers
Annual heating and furnace tuneups are key to maintaining your system in peak operation conditions. They also find potential safety issues. Have you ever noticed flames rolling backwards from the center burner. If so, you need to call a service man for inspection. If the crimp rings are inserted into the eyelets and used to hold the heat exchanger together. You can see the eyelets in the heat exchanger in this picture. When the crimp rings fail, [...]