Watts LF957RPDAOSY-GPM-FS 2 1/2 - Part of the LF957RPDA Series ZC100F-2NH First or second check kit

First or second check kit

(2) stainless steel washers

an aluminum dome bottom strainer (or polypropylene version depending on model)

a fixed 12½″ diameter round top

top mounted vandal resistant EZ-test cocks with covers

Watts LF957RPDAOSY-GPM-FS 2 1/2 - Part of the LF957RPDA Series ZC100F-2NH First or second check kitThis 2 1 2 inch lead free reduced pressure detector backflow preventer assembly help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. Extremely compact and lighter than traditional designs it is approved for horizontal installation. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check valves, resilient seated gate valves with outside stem and yoke,