It's an industry standard: if a furnace has a cracked heat exchanger, it gets replaced. The American Gas Association has even put this in writing - they say "Any visible crack or hole is reason ...

If your carbon monoxide alarm is going off when you turn on the furnace, that’s an indication that you may have a crack in your heat exchanger. Carbon monoxide is odorless and can cause health ...

SALT LAKE CITY — A crack in a home furnace “heat exchanger” can be a serious problem, leaking toxic carbon monoxide in levels that can sicken or kill a family. When a crack is discovered ...

A Plumbline Services technician found a crack in the furnace heat exchanger and told Williams her furnace was unsafe. The heat exchanger vents the gasses that are produced from the furnace’s flame.

However, particularly in modern 80 percent and 90 percent forced air furnaces, a thorough visual inspection ... and a pressure sensor or draft gauge is inserted inside the heat exchanger to see if a ...

That technician told her there was nothing wrong with the furnace, and it is still working today. "It was a scam," she said. "I was shown pictures on an iPad of a cracked heat exchanger and ...

and for oil furnaces it’s a good idea to schedule a tuning every year. I highly recommend that you request an HVAC technician to inspect the heat exchanger for cracks, holes, or leaks as my inspection ...