“Powerful 24V DC motor provides ultra-quiet operation along with variable speed smooth start and smooth stopEasy wall-mount installation means no rails to hangAuto-force feature constantly monitors garage door system and adjusts forces to temperature fluctuations floor height and door track movementThe Smart Garage Door Opener® lets you electronically program security codes from the MyQ® Control Panel® or the powerheadEnclosed gear case provides continuous lubrication and protection for longer life and smoother operationA 6-foot power cord makes connecting to a power source easier than everRemote light delivers 200 watts of light with adjustable light time delayMeets all UL325 requirementsThe 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 and 3900 are NOT compatible with low headroom applications. Please contact us prior to purchase if you are unsure about compatibility.
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].Please contact us prior to purchase if you are unsure about compatibility”
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