The 8500 is 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. The 8500 has the 888LM MyQ® Control Panel, 380LM remote light, deadbolt lock, cable tension monitor, safety sensors and 1-893MAX 3 button visor remote. 6 foot grounded power cord.

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].

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