Bryant Furnace Mode No. 582ANW024060AAAD furnace after running for about 30 min. backfires and eventually the furnace will stop while the blower continuos to run. To be able to restart the furnace you have to turn off the breaker and furnace will backfire again before it will stop.

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If this furnace is backfiring call for service NOW. Unless you would like to take the time to explain backfire since it is not a exact known term in the HVAC trade unless it is serious trouble.

I would almost bet that you find a crack in that heat exchanger.

I bet you are correct. There goes the kids Christmas presents.