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Posted by HeatPro on May 25, 2006 at 20:06:08:
In Reply to: could we have combustion problem? posted by Dave on May 25, 2006 at 18:26:24:
It's plausable. A slant-tube or magnehelic gas pressure gauge would tell if the pressure is to factory specs. A low pressure could make a howling sound inside the burner, also. Again it's the gauges that tell the story whether the conditions are right.
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