LiftMaster LA400-JB40 Junction Box with Cable for LA400 lm-miracle1 The LiftMaster K77-37183 Replacement Cover

The LiftMaster K77-37183 Replacement Cover Box is used to protect and maintain the functionality of LiftMaster slide gate operators

this kit includes two factory-cut keys stamped #1 or #1502M - both functionally identical and designed to work with the same lock cylinder

Durable Construction: Built to withstand continuous use in high-cycle environments

Flexible Mounting Options: Suitable for wall-mount or desktop installation

LiftMaster LA400-JB40 Junction Box with Cable for LA400 lm-miracle1 The LiftMaster K77-37183 Replacement CoverJunction Box and Interconnect Cable for Dual Swing Gate Systems The LiftMaster LA400 JB40 Junction Box w Cable is a replacement interconnect kit used in master secondary dual operator setups. It provides the junction box and cabling needed to link paired LA400 swing gate operators for coordinated operation. Please review the operator manual or parts diagram before ordering to confirm fit and compatibility. Image shown is for illustration purposes