LiftMaster 2B737 Output Board for EL25

Keep your entry system operational and secure with the LiftMaster 2B737 Output Board for EL25. This OEM replacement output board is engineered to restore and maintain reliable output relay function on EL25 telephone entry systems, ensuring uninterrupted access control and smooth integration with your security monitoring and surveillance infrastructure. Identified by manufacturer part number 2B737, the board provides a direct-fit swap to reduce technician time and costs compared with custom repairs. By replacing a failing output board, you prevent false alarms, eliminate intermittent gate or door failures, and support consistent communication between the telephone entry panel and downstream devices. Built to LiftMaster quality and produced in MX, the module meets the durability expectations of property managers and integrators servicing commercial, residential, and multi-tenant installations. Ideal for facilities focused on uptime and secure access, this control panel board component helps you avoid unnecessary system replacements while keeping your security and access workflows intact. Order the LiftMaster 2B737 today to restore EL25 performance and maintain robust access control and monitoring.

• Restores reliable access control for LiftMaster EL25 telephone entry systems, minimizing downtime and service calls
• OEM replacement 2B737 ensures plug-in compatibility and straightforward installation for technicians
• Maintains proper output relay function to support security monitoring, surveillance integration, and downstream devices
• Extends the life of existing control panel boards and reduces capital expense versus full system replacement
• Manufactured to LiftMaster standards (MX origin) for consistent performance in commercial and multi-tenant environments