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could we have combustion problem?

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Posted by Dave on May 25, 2006 at 18:26:24:

This sound is different from
Heatpro,
Thanks for all your advice on my dilemma with the noisy copper tube boiler. I am going to buy a new temp gauge tomorrow, but when I turned the dial on the operating control whose probe is in the boiler inlet, the temp where it clicked off the burner was about 15 degrees below outlet temp (for a 15 DDT). I don't want to mess with increasing the delta T to 30 until I have a good temp gauge.


But getting back to the noise, this sound is totally different from the howling that the boiler made in a low flow situation. It is more like a rumbling sound. I spoke with a Lochinvar rep who thought it might be a combustion problem (either a high gas pressure or a low draft or a cracked burner). Does this sound plausible?

Dave


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