The Doorking 1812-043 is a genuine OEM transformer — Transformer 9VDC 1 Amp.
Designed for the DoorKing 1812 Access Plus telephone entry system, this factory-original component ensures correct fit and reliable performance. Installing genuine DoorKing parts protects your operator warranty and avoids the compatibility problems common with aftermarket substitutes.
In stock and ready to ship from GateHouse Supplies. Contact us for compatibility questions or bulk quantity pricing.