Cast brass body, washerless ceramic disc valve cartridge with back-to-back capability and hot limit safety stop. Cyclesfrom off to hot through cold. Pressure balancing cartridge maintains constant output temperature in response to changesin relative hot and cold supply pressure. 1/2" 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.