All anti-backflow devices must be approved per the requirements of the current Maine State Internal Plumbing Code 02-395 CMR 4.
10- 144 C.M.R. ch. 226, § 6
All anti-backflow devices must be approved per the requirements of the current Maine State Internal Plumbing Code 02-395 CMR 4.
10- 144 C.M.R. ch. 226, § 6