An air gap between the DRINKING WATER supply inlet and the flood level rim of the PLUMBING FIXTURES or EQUIPMENT, meet the definition of an APPROVED air gap in WAC 246-290-010.
Wash. Admin. Code § 246-215-05215
Statutory Authority: RCW 43.20.050 and 43.20.145. 13-03-109, § 246-215-05215, filed 1/17/13, effective 5/1/13.