Fan harness De Dietrich JJD008513660

The Fan harness is a wiring assembly designed to connect the fan motor to the boiler control board. This harness ensures reliable power and signal transmission for proper fan operation, which is critical for combustion air supply and exhaust. When the original fan wiring deteriorates, this replacement harness provides a direct fit and secure connections. It simplifies the repair process and helps maintain boiler efficiency. Suitable for various boiler models, this fan harness is a practical spare part for heating system maintenance.