Siemens - Room Thermostats, LCD - RDD Series flow meter QAA27: The QAA27 comes with

QAA27: The QAA27 comes with a setpoint adjuster offering a setting range of ±3 K (Kelvin)

for automatic start and stop functions

Output: 0…10 V

QBM81 Series Datasheet

Siemens - Room Thermostats, LCD - RDD Series flow meter QAA27: The QAA27 comes withRDD100 Series Datasheet Introducing the Siemens RDD100 Room Thermostats with LCD, your gateway to precise room temperature control in heating systems. Designed for ease of use and ultimate comfort, these thermostats offer a range of features to ensure your living or working space remains cozy and energy efficient. Key Features: Room Temperature Control: Maintain your desired room temperature effortlessly. The RDD100 series offers three distinct modes