TempAssure Thermostatic cartridge measures and monitors the temperature of the water and automatically adjusts to maintain a more precise water temperature DELTA® Tub and Shower Trim, Series: TempAssure® 17T, Cassidy™ Collection, 2.5 gpm Shower Flow Rate, Pull-Up Diverter Spout, 6-1/2 in Spout Reach, 1 Handles, Lever Handle, 7 in Dia Trim, Thermostatic Ceramic Cartridge, Hand Shower: No, Spray Pattern: Full, 1 Spray Functions, 80 psi Pressure, Wall Mounting, Solid Brass, Brilliance® Polished Nickel, Domestic