The Doorking 1812-075 is a genuine OEM board — Conversion Kit to Update Old 1812 (1870 Board) to New 1812.
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.