Temptrol pressure balancing shower valve body. Adjustable stop screw to limit handle turn. Male 1/2" NPT or direct sweat inputs and shower port. Female 1/2" NPT tub port. Integral volume control. Stringer mounts in casting. PEX cold expansion inlet fittings. Rapid Install Bracket. EASYSERVICE STOPS included. Includes Reverse Seat for Back-to-Back Installation