Grohe Grohtherm 2000 Temperature Control Handle - 47917Grohe Grohtherm 2000 Temperature Control Handle 47917 Replacement temperature control handle designed for GROHE Grohtherm 2000 shower systems. Features Designed specifically for GROHE Grohtherm 2000 thermostatic systems Controls water temperature adjustment GROHE StarLight chrome finish for durability and easy cleaning Precision engineered for smooth operation Easy replacement for worn or damaged handles High quality construction for long term