Sub324 Double Underground Operator
Chamberlain Liftmaster SUB operators offer high performance for heavy gates, built-in hard stop limits, a waterproof motor and permanently lubricated motors.
In the event of power failure, SUB operators offer a manual release in the gate arm connector. No need to install hard stops into the driveway as all Sub300 gate kits are supplied with adjustable integrated hard stops.
New Liftmaster Photocells
The brand new sleek and futuristic looking Liftmaster 772E photocells are so versatile installing them on any job is a breeze. The internal circuit board and lens can rotate through 180 degrees, allowing you to install on any wall and easily line up the beams. Supplied in every Liftmaster Automation Kit. Except the HC-300.
With intergrated adjustable hards stops in the underground boxes there is no need to install any hards stops in your driveway.