Grohe Grohtherm Single Function 2-Handle Thermostatic Valve Trim - 24110Grohe Grohtherm Single Function 2 Handle Thermostatic Valve Trim 24110 Contemporary thermostatic shower trim with integrated volume control and precise temperature management. Features Photos of some finishes may not be available Single function thermostatic valve trim with integrated control module Upper handle controls water volume and On Off operation Lower handle controls water temperature GROHE TurboStat technology maintains consistent water