This was one of many carrier bryant and payne furnaces we have been seeing recently installed prior to 2010 with a problematic secondary heat exchanger.
Carrier furnace heat exchanger problems.
The carrier high efficiency gas furnace trade in allowance program is designed to offer homeowners an alternative to replacing only the heat exchanger under the terms of their limited lifetime heat exchanger warranty on a first generation carrier condensing furnace if their furnace experiences a heat exchanger failure.
Recently we replaced a seriously failed carrier furnace.
Carrier high efficiency gas furnace heat exchanger issues one the most common issues found in carrier high efficiency gas furnaces is corrosion or blockage is their secondary heat exchangers in approximately 5 to 10 years after the original installation date or in other words premature secondary heat exchanger failure.