North Shore Garage Door Repairs
This opener is installed directly to the torsion bar of the sectional door, leaving your garage ceiling clear for storage space or simply rail free for aesthetics.
Super fast, quiet and feature packed with safety beams, deluxe wall control, auto close and connections for the optional battery back up included. This opener is an ideal choice for any sectional door up to 16.5m
Soft Start/Stop Function
The MJ3800 is equipped with Soft Start/Stop technology, designed to ensure smooth and quiet door operation.
This opener features two hand-held mini transmitters deluxe wall control, IR Beams, solenoid lock and wireless wall button. Illustrations
are provided in the ‘Kit Contents’ section.
Automatically closes door after a pre-determined delay time. Requires installation of IR Beams – supplied.
Additional safety feature
To ensure the highest level of safety possible the MJ3800 is supplied with a cable tension monitor which prevents the opener operating if the
door’s safety cable has insufficient tension.
For additional peace of mind this opener is supplied with a solenoid lock which automatically locks the door when it is closed and releases on
Standard Merlin safety features
Automatic Safety Reverse
With its automatic safety function your garage door will stop and reverse automatically if obstructed going down or stop if obstructed
Automatic Force Sensing
Equipped with automatic force sensing, with each operation the garage door opener monitors and adjusts the force needed to open your
In case of power failure you can simply activate the manual release to open your garage door.
Backed by a full 2 year / 5,000 cycle unit warranty and 5 year /15,000 cycle motor warranty* we stand behind our
products with an after sales support team and service that we believe to be the best in the industry. We can offer this
warranty because of our global quality standards, manufacturing quality and continuous improvement processes.