Inspired by Colonial America, improved by American ingenuity. This bath/shower set is part of our traditional Williamsburg™ Suite. Includes a self-cleaning showerhead, anti-scald pressure-balancing valve, ADA-approved lever handle and a diverter tub spout.Ceramic Disc Valve Cartridge: Assures a lifetime of smooth handle operation and drip-free performance.Pressure Balancing Valve Cartridge: Maintains constant output temperature in response to changes in hot and cold supply pressure. Diaphragm system engineered to eliminate cross flow and spool "thumping". Avoids failure due to mineral deposits -ideal for use in hard water Back-to-Back Capability: Hot and cold can be reversed quickly and easily.Adjustable Hot Limit Safety Stop:Limits the amount of hot water allowed to mix with cold. Reduces the risk of accidental scalding.Integral Plaster Guard and Mounting Plate: Plasterguard is designed to protect valve during installation and serve as a mounting plate for thin-wall installations.No Exposed Screws: Decorative dial plate conceals screws.