Section 246-215-05245. Backflow prevention device, when required (2009 FDA Food Code 5-203.14).
Latest version.
A PLUMBING SYSTEM must be installed to preclude backflow of a solid, liquid, or gas contaminant into the water supply system at each point of use at the FOOD ESTABLISHMENT, including on a hose bibb if a hose is attached or on a hose bibb if a hose is not attached and backflow prevention is required by LAW, by:
(1) Providing an air gap as specified under WAC 246-215-05215; or
(2) Installing an APPROVED backflow prevention device as specified under WAC 246-215-05220.