Low voltage harness De Dietrich 7680840

The low voltage harness is a wiring assembly that carries low voltage signals between various controls and components in a boiler or burner system. This harness is crucial for the safe operation of thermostats, sensors, and safety devices, ensuring proper communication without risk of high voltage interference. Over time, insulation can wear or connections can loosen, leading to intermittent faults. Replacing the low voltage harness is a straightforward repair that restores reliable function. It is a common spare part for heating equipment maintenance.