The new piston-operated GEM 2 from Sloan Valve Co. features a non-hold open handle that controls water usage, and the Flushometer has no external volume adjustment, which promotes water conservation. An O-ring-protected, filtered, metering bypass orifice ensures low maintenance even in the harshest water conditions. GEM 2 also includes an ADA-compliant handle, BAK CHEK control stop, vandal-resistant cap, high copper/low zinc brass castings and a sweat kit with cast set screw wall flange. Sloan Valve Co.