American Standard 9046502.181 Pressure Balance Tub and Shower Set, Brass, Oil-Rubbed Bronze

Cast brass body, washerless ceramic disc valve cartridge with back-to-back capability and hot limit safety stop. Cycles from off to hot through cold. Pressure balancing cartridge maintains constant output temperature in response to changes in relative hot and cold supply pressure. 1/2 in female IPS inlets and outlets, easy clean showerhead with 2.5 gpm flow restrictor, rough-in plaster guard designed for use as thin-wall mounting adapter. Lifetime warranty.