Eberle Temperature Transmitters Indoor thermostat 624126 - Eberle 111 1101 51 100, The Eberle 111 1101 51 100 RTR-E 6121 is a surface-mount indoor thermostat designed for 24-hour mode operation. It is supplied without an on/off switch, and it is commonly used for controlling room temperature in heating systems. Ideal applications include room temperature control and ensuring efficient radiator heating. Eberle 111110151100 RTR-E 6121 Thermostat Surface-Mount 24h Mode
