The solution for small capacity appliances. The BA BS backflow protection device is developed especially for low flow rate applications. Before installing the BA backflow preventer, check that: • The BA device must be easily accessible to allow inspection, maintenance and replacement of equipped with approved backflow prevention 3,5 Watts (max) of the L.E.D. and the manual procedure to set an accurate dosing time. The controllable backflow preventer BA BM with reduced pressure zones protects potable water systems against pollution caused by. The BABM backflow preventer with verifiable reduced pressure zone includes: Between the upstream valve and the device: one type Watts. Scambiatori di calore · Actuators & mixing valves · Ball valves · Loading valves and mixing valves · Safety valves · Backflow preventer. preventer. Appliance not suitable for connection to the drinking water mains without backflow preventer. Risk of Injury. Warning!Smart thermostatic mixing valve. e-ultramix Series control unit pdf manual download. Backflow preventer with verifiable reduced pressure zone (64 pages)