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The 8500 Liftmaster with 877MAX Keyless Entry is a great space saving side mounted unit. Compatible with sectional garage doors that have a front mount torsion spring with 1” shaft. The 8500 will handle a door up to 180 square feet in size 14’ tall and up to 650LB maximum weight.
One (1) 877MAX LiftMaster Keyless Entry Keypad
One (1) 893MAX 3-Button Remote Control
MyQ® Control Panel (888LM) One (1)
Remote Light 380LM One (1)
Power Door Lock 41A6102, safety sensors and cable tension monitor 41A6104
The 8500 and 3900 are NOT compatible with low headroom applications. Please contact us prior to purchase.
Top clearance: 3 1/2 " from center of torsion shaft to the top of the operator. Side clearance: 8” minimum required Approximately 1 ½” shaft exposed beyond bearing plate required to attach coupler. Unit physical dimensions 16 ½”L x 7”W x 6 ¾”D. The 8500 function can be controlled via smart phone when configured with the 828LM internet gateway [not included].
To reduce the risk of injury to persons - When the LiftMaster® Internet Gateway is used with garage door openers, the operator must be installed with sectional doors.
Please contact us prior to purchase if you are unsure about compatibility
Posted by Unknown on Apr 3rd 2017
Quiet, easy to install, works on high lift doors and doesnt cut into ceiling height.
Posted by Unknown on Mar 13th 2017
Installed this yesterday, Very quiet operation and works well, I really like the deadbolt locking system. Installation was simple, I would recommend this system.