Additional InformationASSE 1048|AWWA C510/C550|CSA B64.5|FM Approved|NSF/ANSI/CAN 61|NYC MEA 147-99-M|UL Listed
Marketing InformationThe 350DA double check detector backflow assembly protects against backsiphonage and backpressure in low health hazard, fire protection applications. Featuring a metered bypass system, the 350DA efficiently and effectively detects leaks and any unauthorized water use, saving you added costs associated with maintenance and repairs. The Zurn® compound check provides low headloss and backflow installation is approved in both horizontal and vertical positions.