Internal cleaning of HYDRIM Backflow Preventer
Product Support Description: Internal cleaning of Backflow Preventer. This procedure applies to All HYDRIM® G4 WD units C61WD & M2 G4 for all markets except North America. The HYDRIM C61w G4 is equipped with an air gap / anti-suction device to preventbackflow of dirty water into the water supply. No other air gap device is … Read more
