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Posted by al k on October 03, 2006 at 01:32:58:
Hi
I have this natural gas unit for both domestic and hot water baseboard heat . lately it has been waking me up at night when it turns on with a very loud bang . Recently it only turns on for 45 seconds and a big bang happens and it shuts down ,I also get a good smell of gas at this time . Does this sound like the heat exchanger is finished ?? Thanks in advance for your reply