Parma® Single Handle 3/4" Thermostatic Valve Trim KitBrand: Gerber Features Integral Check Valve: Includes integral check valve for backflow prevention Warranty: Limited lifetime Description Thermostatic Shower Valves feature a limited lifetime warranty and temperature limit device that prevents scalding. Components (For finish specific component item numbers, please see the price book.) Includes: Escutcheon and Control Handle Assembly Sold Separately, Required: Requires Single Handle 3 4" Thermostatic