Concealed, quiet diaphragm-type, rough brass flushometer valve with Zurn® AquaVantage® TPE, chloramine resistant, dual seal diaphragm with a clog resistant, triple filtered by-pass. The valve is complete with a non-hold open and no leak handle feature, high back pressure vacuum breaker, 1-piece hex coupling nut, adjustable tailpiece and spud coupling for back spud connection. Control stop has internal siphon-guard protection, spud connection. Control stop has internal siphon-guard protection and a sweat solder kit. Internal seals are made of chloramine resistant materials.