Thread: Any help
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Old 2020-12-25, 11:49am
ESC ESC is offline
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Join Date: Feb 02, 2010
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https://mikeaurelius.wordpress.com/ventilation-primer/

I went back and found this primer that Mike cooked up many years ago. I printed it out at the time for my HVAC guy.
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Soft glass on a Minor/concentrator since 1996
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