The LiftMaster K24-115-1 120V Relay is an OEM control component for LiftMaster commercial door operators, designed to switch control circuits and restore reliable operation when a relay has failed. Engineered for 120 VAC coil applications, this commercial relay supports functions such as activating motor controls or auxiliary devices within the operator’s control cabinet, making it a dependable replacement part for service and maintenance of LiftMaster commercial garage door openers.
Use this relay only on systems that specifically call for part number K24-115-1 in the operator’s parts list or service manual to ensure proper compatibility and performance. Installation should be performed by a qualified technician with power disconnected, transferring wires terminal-for-terminal per the original configuration and the operator’s wiring diagram. The relay itself does not require programming; follow the equipment manufacturer’s procedures for any standard post-service checks. Ideal for commercial applications, this LiftMaster OEM relay helps maintain safe, consistent control of door operation and related accessories in demanding environments.