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Posted by HeatPro on January 12, 2007 at 22:57:32:
In Reply to: Endurance noise posted by Megan Dennen on January 11, 2007 at 22:58:38:
As the noise still happens when the heater is modulating between high and low. The installers need to continue to adjust the air and gas orifices to reduce the noise until it has been eliminated.
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