LiftMaster 41A4373A | Safety Reversing Sensor

Description

LiftMaster 41A4373A Safety Reversing Sensors are legacy infrared safety beam sensors designed for older LiftMaster and Chamberlain operator systems from 1993 to 1997. This sensor set creates an invisible infrared beam across the closing path so the operator can stop and reverse when an obstruction is detected. It is best suited for maintaining older automation systems in Abu Dhabi where correct replacement matching is essential. The sensor pair supports dependable safety monitoring, practical retrofit use, and stable day-to-day performance when properly aligned. For older residential and light-duty automation setups, it remains a useful replacement reference for restoring beam-based protection and improving safe operation without changing the complete system.

Key Features and Technical Specifications

• Official legacy part name: 41A4373A Safety Reversing Sensors
• Type: infrared sending and receiving safety sensor pair
• Function: stop-and-reverse safety beam detection
• Legacy compatibility: older 1993-1997 operator systems
• Replacement reference for some ATS units: 041A4373ATS
• LED indication: amber for sending sensor, green for receiving sensor
• Designed for obstruction detection during closing cycle
• Suitable for legacy residential automation systems

Main Benefits for the Customer

• Restores safety protection on compatible older operator systems
• Helps prevent contact with vehicles, objects, or people in the closing path
• Suitable for maintenance and replacement of damaged or missing sensors
• Supports safer daily operation when correctly aligned
• Practical option for preserving older automation setups without full replacement

Use Cases

• Replacing damaged sensors on older LiftMaster systems
• Restoring beam safety on compatible Chamberlain operators
• Residential door automation maintenance
• Legacy automation upgrades where correct safety matching is required
• Entry systems already built around infrared safety beam logic

Compatibility and Installation Notes

• Confirm the opener model and production year before ordering
• This is a legacy sensor reference for older systems
• Some ATS models use replacement kit 041A4373ATS
• Safety sensors should be mounted no higher than 6 inches above the floor
• Amber LED identifies the sender and green LED identifies the receiver
• Check alignment and steady LED status during commissioning
• For official replacement reference, review the sensor compatibility guide

Packing Includes

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Restore reliable obstacle protection with the correct LiftMaster legacy safety sensor set. Call/WhatsApp: +971 54 482 5472