KOHLER K-304-KS-NA Rite-Temp Pressure Balancing Valve,KOHLER,304-KS-NA" /> none Imported Back-to-back installation is ideal for unique or high-volume jobs Provides anti-scald protection and temperature regulation at flow rates as low as 175 gpm; far below federally mandated standards of 25 gpm Integrated screwdriver stops assist in repair, turn off water supply at the valve Mounting tabs located on rough-in for secure installation option Requires valve trim (sold-separately). Rite-Temp pressure-balancing technology maintains water temperature within +/- 3 degrees Fahrenheit. Universal NPT and direct sweat connections need no additional parts for installation