Chamberlain 3/4 HP Equivalent Ultra-Quiet Belt Drive Smart Garage Door Opener

Item # 3585204 | Chamberlain Part # B750 | UPC Code 012381185849 | UNSPSC Code 30172112 | Catalog Page #1622
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Product Overview

Your garage is more than just a place to park your car - it's a main entry point and an active hub of home and life. A leader in garage access management solutions, Chamberlains innovative connectivity features make monitoring and managing home activity easy. The B750 runs smoothly, safely and is customizable to fit your needs and make your daily routine more efficient. It features an ultra-quiet, extra strong steel-reinforced belt drive plus smart technology that gives you complete control. With the Chamberlain MyQ App, you can get real-time alerts, open, close and know the status of your garage door and more - from anywhere. Powered by Chamberlains Lift power System, it delivers the highest lifting capacity compared to the 3/4 power class.

  • Smart garage door opener comes with built-in MyQ technology to keep you connected and protected: open, close and know the status of your garage door from anywhere with a smartphone or tablet with the MyQ app
  • Ultra-quiet and strong belt drive - steel-reinforced belt drive is constructed with high-grade materials for years of worry-free, long lasting, ultra-quiet operation - perfect for attached garages
  • Powered by Chamberlains plus lift power system, the B750 delivers lifting force equivalent to 3/4 HP, the highest lifting capacity compared to the 3/4 HP power class for smooth and reliable performance you can count on
  • Superior range - includes two 3-button remotes that let you control a combination of up to 3 openers or Chamberlain interior light modules (sold separately); exclusive triband technology boosts remote range up to 1,500 ft. for a quicker entrance and exit
  • Trusted safety and security - Chamberlains unmatched security+ 2.0 100 billion code encryptions, paired with your home's ISP and Wi-Fi router firewalls guard against hacking
  • Posi-lock anti-theft protection stops attempts at forced entry and ensures that once the door closes, it stays locked
  • Installation made easy - our online installation videos, pre-programmed remotes, snap-lock rail system and tech support ensure installation goes smoothly
  • Safety sensors project an invisible beam preventing the garage door from closing on people, pets or other objects
  • A wireless exterior keypad permits access with a four-digit secure code
  • Multi-function wall control allows you to control the door and features motion-detection lighting, timer-to-close and manual light control
  • Actual rail length is 9.4 ft.
  • Actual rail length is 9.4 ft. for 7 ft. garage doors
  • Go remote-less and get more control with built in homelink compatibility; you can use your vehicle's homelink buttons to control gates, doors and lights from the driver's seat and without the remote; certain vehicle makes/models may require a compatibility bridge (not included) to operate your garage door opener via the homelink buttons

Proposition 65 Information

Prop65 Warning Icon WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to or




Bulb Type
Doors Operated by Remote
Garage Door Opener Horsepower (hp)
3/4 hp
Remote Control
Manufacturer Warranty
Lifetime for motor and belt, 5-year for parts, 1-year for accessories
Product Depth (in.)
Product Height (in.)
Product Weight (lb.)
Product Width (in.)


Lifetime for motor and belt, 5-year for parts, 1-year for accessories