Ooh, wow. Yeah, that old Carrier was well past its expiry date. Yellow flame = insufficient oxygen = carbon monoxide; sounds like your firebox was well and truly toast. Really awful bitter pill to swallow, having to put in a new furnace, but by the test results your old one was hideously dangerous. Be sure the new one gets installed with something better than just a minimal 1" thick air filter -- all those do is keep boulders out of the fan blades.
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Date: 2010-10-22 06:42 am (UTC)