Cover plate with legend Symbols "play, up, down, ok" for Time switch, Room temperature controller, CO2-sensor Central cover plate white - Busch-Duro 2000 SI

For comfort timer control element 6455-101-500. For standard timer control element 6456-101. For room thermostats 1098 U-101 and 1098 UF-101. For short-time timer 6465 U-101. For Busch-CO2 sensor 1091 U-500. For blind compact timer 6422 U.