LiftMaster K73-36109 Chassis Replacement for CSW24V Intercom Parts The DoorKing 1871-010 Control Board

The DoorKing 1871-010 Control Board is a direct OEM replacement for the 1812 Classic telephone entry system

Dedicated 20A Circuit Requirement – Supports safe and effective operation

the system ensures easy visitor access and communication

Adds connectivity for monitored photo eyes and edge sensors

Application: Solar power conversion for LiftMaster DC-powered gate operators

LiftMaster K73-36109 Chassis Replacement for CSW24V Intercom Parts The DoorKing 1871-010 Control BoardReplacement Chassis for CSW24V Commercial DC Swing Gate Operators The LiftMaster K73 36109 is a genuine replacement chassis engineered specifically for CSW24V high traffic commercial DC swing gate operators. This chassis serves as the primary structural frame of the operator, supporting and aligning internal mechanical and electrical components critical to safe and reliable gate operation. It is intended for service and repair scenarios where the