• Wireless room thermostat kit comprising transmitter RDH100RF (battery) and receiver RCR100/433 (mains) for heating systems
• Supports either two-position control or PID intelligent learning control algorithm (configurable via parameter P01) for improved comfort and efficiency
• LCD display with large digits, minimum and maximum setpoint limitation, setpoint range from 5C up to factory max (typically 30C)
• Ideal for homes, residential buildings, schools and offices; compatible with thermal valves, zone valves, combi boilers, oil / gas burners and pumps
• Battery powered transmitter (2 � AA) with pairing to mains receiver; simple wireless installation without thermostat wiring

The Siemens RDH100RF/SET wireless room thermostat delivers ambient temperature control via a battery-powered wireless transmitter and a mains powered receiver. It pairs seamlessly to heating systems such as residential boilers or zone valve circuits. The control logic supports either traditional two-state switching or advanced PID learning behaviour, selectable by the installer for better comfort and energy performance. The transmitter features a clear LCD display showing setpoint and actual room temperature, and allows limiting of comfort or economy temperature ranges. With no programming required, the unit is suited to installations where a simple manual setpoint is required rather than full scheduling. Typical applications include standard radiator or underfloor heating zones in homes, schools or offices. The wireless kit avoids surface wiring runs for thermostat signal and simplifies retrofit or renovation works.