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Posted by HeatPro on December 04, 2007 at 09:34:01:
In Reply to: BAFFLES posted by pete on December 04, 2007 at 07:48:03:
I wouldn't expect the baffles to go bad, though some might warp over that time. If they did go bad, I'd be concerned with rusting from condensation at low temperatures. In a gas boiler, it's a good idea to look every 3 or 4 years to make sure all is well and head off accumulating any passage blockage from dirt. Carbon soot there would indicate bad combustion.
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