Trim requires valve to complete installation Includes lever handle, single-function showerhead, shower arm and flange, valve trim, and non-diverter tub spout with NPT or slip-fit connection Single lever handle allows for both on/off activation and temperature setting Rite-Temp pressure-balancing technology maintains water temperature within +/-3 degrees Fahrenheit High-temperature limit stop allows you to preset a comfortable maximum temperature to eliminate scalding