حزمة الأسلاك الرئيسية + مفتاح التشغيل/الإيقاف DD De Dietrich 7777856

The main harness with on/off DD is a comprehensive wiring assembly that connects the primary power and control circuits in your heating equipment. It includes the main power harness and an on/off differential pressure switch connection, ensuring safe and reliable operation. This spare part is essential for restoring full electrical functionality when the original harness is damaged or degraded.