Concealed, quiet diaphragm-type rough brass flushometer valve with Zurn's AquaVantage® TPE, chloramine resistant, dual seal diaphragm with a clog resistant, triple filtered by-pass. The valve is complete with a non-hold open type hydraulic push button actuator that may be located up to 36 in[914] (7'[2133] with -SW option) from the valve, high back pressure vacuum breaker, one-piece hex coupling nut and adjustable tailpiece. Control stop has internal siphon-guard protection, and sweat solder kit. Internal seals are made of chloramine resistant materials.