Extraction/pump wiring GR. De Dietrich 766930800

This extraction/pump wiring harness for GR. models is a key spare part for maintaining proper electrical function in your boiler. It connects the extraction fan and pump, ensuring they operate in sync during heating cycles. A faulty harness can lead to system errors or reduced efficiency, so replacing it with this dedicated wiring helps restore optimal performance. Designed for compatibility with GR. units, it simplifies the repair process for technicians. Whether you are servicing a gas burner or upgrading components, this wiring supports effective boiler maintenance and long-term reliability.