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PDFWAC 246-215-05215

Design, construction and installation—Backflow prevention, air gap (2009 FDA Food Code 5-202.13).

An air gap between the water supply inlet and the flood level rim of the plumbing fixture, equipment, or nonfoodequipment must be at least twice the diameter of the water supply inlet and may not be less than one inch (25 mm).
[Statutory Authority: RCW 43.20.050 and 43.20.145. WSR 13-03-109, § 246-215-05215, filed 1/17/13, effective 5/1/13.]
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