www.fmiproducts.com
114668-01G
8
AIR FOR COMBUSTION AND VENTILATION
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National Fuel Gas Code, ANSI
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grills or ducts.
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items directly to the outdoors or spaces open
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Gas Code, ANSI Z223.1/NFPA 54, Air for
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of ventilation grills or ducts.
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Figure 2 - Ventilation Air from Inside Building
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Figure 3 - Ventilation Air from Outdoors
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To
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