R523S - 2-Handle Thermostat w/ Built-in 3-Way DiverterThe 2 Handle Thermostat from American Standard allows you to shower at a pre selected water temperature and choose between three separate shower outlets, and an adjustable hot limit safety stop limits the amount of hot water allowed to mix with cold, to reduce the risk of accidental scalding, for a shower that is safer and easier to use than ever before. High quality brass casting for durability and long life Built in diverter allows the user to