L-bus harness De Dietrich 7722103

The L-bus harness is a wiring assembly used to connect and communicate between control modules in heating systems. It facilitates data exchange and power distribution, ensuring seamless operation of components like thermostats, sensors, and actuators. This harness is essential for proper system integration and is commonly used in modern boiler and burner controls. Replace a faulty harness to restore reliable communication and system functionality.