Postmix type carbonated beverage machines must have an approved double-check valve with an intermediate atmospheric vent type backflow preventer in the water line preceding the carbonator. The backflow preventer must be installed in accordance with ASSE Standard 1022. There must be no copper tubing in the system down line of the backflow preventer.
MS s 16B.59; 16B.61; 16B.64; 326.37 to 326.45; 326B.101; 326B.106; 326B.13; 326B.43 to 326B.49
15 SR 76; 28 SR 146; L 2007 c 140 art 4 s 61; art 6 s 15; art 13 s 4
May 14, 2012
Official Publication of the State of Minnesota
Revisor of Statutes