The external temperature sensor for the EVO boiler (3318588) is a high-quality accessory for heating devices, specifically designed for the remote control of fan heaters. This product allows for precise temperature monitoring outdoors, contributing to more efficient heating control. By using this sensor, users can optimally adjust the heating output to current weather conditions, which enhances comfort and optimizes energy consumption. The item is delivered as a single unit and is easy to install, allowing for quick integration into existing heating systems. The external temperature sensor is an essential tool for anyone who values intelligent and demand-based heating control. With this sensor, heating management becomes not only more user-friendly but also more effective, leading to a more pleasant indoor climate.