Outdoor sensor QAC 31 De Dietrich JJX000063913

The outdoor sensor QAC 31 is designed to measure external temperature and communicate with your boiler for weather-compensated heating control. This sensor helps optimize energy consumption by adjusting boiler output based on outdoor conditions. If your existing sensor is faulty or missing, this replacement part ensures accurate temperature readings and efficient system operation. It is a valuable component for modern heating systems, enhancing comfort and reducing energy costs.