These anti-scald, pressure-balancing Bath/Shower Temperature Control Valves accommodate seven styles of TRIMendous™ interchangeable bath/shower trim kits, including: Berwick®, Colony®, Hampton®, Serin®, Town Square®, Fluent®, Times Square® and Tropic® (all sold separately).Cast Brass Valve Body: Durable - Quality that will last a lifetime. Ideal material for prolonged contact with water.Ceramic Disc Valve Cartridge: Assures a lifetime of drip-free performance. Allows easy fine tuning of temperature (125°handle rotation from off to hot).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. Avoids failure due to mineral deposits - ideal for use in hard waterBack-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 accidenta