كابل 137 جهاز استشعار الغرفة - منظم الحرارة - مفتاح صغير De Dietrich 7813377

The Cable 137 room sensor-thermostat-microswitch is a multi-purpose wiring cable that connects room sensors, thermostats, and microswitches to the main control board. It is used in heating systems to relay temperature readings and switch statuses, enabling precise climate control and safety interlocks. This cable is a common boiler spare part for systems with external sensors or multiple control points. If you are experiencing temperature inaccuracies or switch failures, this cable can restore proper communication between components.