144B0018 is a idler pulley (2"OD 1/2"B) replacement kit. Compatible with Models ATS211 & ATS211R garage door openers. Check the manual for your specific model number before ordering.
P3 Motors from LiftMaster are reliable durable and powerful – designed specifically for your needs.
Security+ 2.0 – with every click a new code is sent to the garage door opener so that the door opens only for you.
PosiLock locks down your garage door by electronically monitoring against a forced opening.
Alert-2-Close warning system provides audible and visual warnings when the garage door is about to close when using MyQ Technology.
The Protector System has safety sensors that project a light beam across the garage door opening automatically reversing the door if anything interrupts the beam.
Built in Wi-Fi for the easiest way to connect the garage.
Wall-mounted design: Frees up ceiling space and reduces noise and vibrations in living spaces near the garage.
Ultra-quiet operation: Our garage door opener is the quietest in the Chamberlain lines ensuring peace and quiet in your home.
Built-in Wi-Fi®: Allows for smartphone control with the free myQ app.
Battery Backup: Lets you open and close your garage door even when the power is out.
Remote LED Lighting: Illuminates your garage with full light coverage and up to 8 light pods can be installed per unit providing you with plenty of light.
Automatic Garage Door Lock: Deadbolts your door after it closes every time.
Works with ANY Liftmaster Sears Chamberlain Access Master Master Mechanic Formula I True Value True Guard and Raynor Garage Door Opener Manufactured after 1998 using a amber / orange yellow or purple learn button.
Replaces existing control panel
Simple programming of new MyQ accessories and Security+ 2.0 remote controls and keyless entry products