The Siemens QAA9020 Room Heat Sensor B LG-Ni1000 (0–50°C, Pack of 42) is a reliable temperature sensing solution designed for precise climate control in residential, commercial, and industrial environments. Operating within a 0 to 50°C range, it ensures accurate monitoring for heating, ventilation, and air conditioning (HVAC) systems. Equipped with an LG-Ni1000 sensor element, it provides stable and consistent performance with easy integration into Siemens control systems. Supplied as a bulk pack of 42 units, it is ideal for large-scale installations or maintenance projects. Compact, durable, and efficient, the QAA9020 supports energy-efficient temperature regulation and reliable room comfort management.