Section 504 of the Plumbing Code is amended to include:
“Notwithstanding any of the provisions of this code, no check valve or backflow preventer shall be installed on the cold-water supply side of hot water tanks or boilers.”
(Prior Code, § 3-511) (Am. Ord. 1794, passed 12-18-07; Am. Ord. 1974, passed 8-6-19)