Also known as jackshafts, these openers will stop and reverse the garage door's downward motion if it encounters an obstruction or the light beam between the opener's sensing switches is interrupted. During a power failure, use the manual chain hoist to move the door. These openers meet UL 325 safety standards for door operators and systems.

Conveniently carry your transmitter with your keys to remotely operate automatic overhead door openers. These transmitters are for Liftmaster openers that have Security+ 2.0 rolling code technology, which sends a new code with each use. They can operate three door openers.

If you don't have your remote, you can still open and close automatic overhead doors with a private 4-digit PIN. Use these transmitters to operate one transmitter or receiver. The keypad is backlit for visibility in the dark.

Nudge your door and these openers will open it the rest of the way. You can also pair them with automatic door switches and buttons. Their delayed closing action holds the door open for a set amount of time before closing. These openers are for doors that weigh up to 200 lbs. and must be hardwired. They are reversible for right or left door-swing directions.

Instead of pulling a chain or handle to open your steel roll-up garage door, push a button. These openers come with everything you need to convert your manual door into an automatic one. Simply slide them over your garage door’s drum axle. For smooth operation, they start and stop slowly to prevent the door from lurching and slamming to the ground. Similar to an automatic garage door, they’ll stop and reverse the door if the light beam sensing switch detects an obstruction in its path. Turn on the safety mode to lock the garage door and limit control to a single master remote. If there's a power failure, disengage these openers to manually open the door.

These openers fit most steel roll-up garage doors, also known as rolling sheet doors, with 9 _1/2" or 12" door drums. You can mount them on either side of the door. Do not use these openers with sectional or fabric garage doors.

Reset fire panels, or open electromagnetic locks, electric strikes, and automatic door openers. These switches require a key to turn circuits on or off, limiting access and preventing accidental activation. The lock is not included; use a 1 _1/4" long mortise lock with a standard cam.