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Can a "standard" gas hot water heater be vented through a side wall?

Question asked by edhull323 on Dec 5, 2016
Latest reply on Dec 5, 2016 by mlonigro

NFPA 54 cites a 1/4"/1 foot upward slope recommendation (12.11.7) to a chimney or vent.  It doesn't seem that a slope this gradual would provide enough draft for the heater which is designed for natural draft venting.