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Ultra-Quiet & Strong Belt Drive Garage Door Opener with MED Lifting Power

Model: B503
MyQ EnabledWhisper QuietHomeLink Compatible

Quality designed and precision engineered to run smoothly, with a Chamberlain garage door opener, you get reliability, easy installation and dependable operation, all at an affordable price. Perfect for attached garages, the B503 will give you years of smooth, quiet performance you can sleep through. Powered by Chamberlain’s Lift Power System™, it delivers the highest lifting capacity equivalent to the ½ power class.

For MyQ Connectivity:
MSRP$169.00
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Product Features

  • HomeLink® compatible, works with the in-vehicle remote control system built into most cars. Compatibility Bridge™ (not included) necessary for certain vehicles. Visit bridge.chamberlain.com to find out if a Bridge is needed.
  • Ultra Quiet & 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 Chamberlain’s MED Lift Power System™, the B503 delivers lifting force equivalent to 1/2 HP, the highest lifting capacity compared to the 1/2 power class for effortless lifting and reliable performance you can count on.
  • Superior Range - Includes 2 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 feet for a quicker entrance and exit.
  • Safety Sensors project an invisible beam preventing the garage door from closing on people, pets or other objects.
  • Two 100-watt standard or CFL bulbs (not included) provide ample light for confident and safe movement around the garage. And the Dual-Function Wall Control allows you to control the door and activate lights, too.
  • Trusted Safety & Security - Unmatched Security+2.0® 100 Billion code encryption protects against hacking, and Posilock™ anti-theft protection assures that once the door closes, it stays locked.
  • Highest Quality - Built from High-Grade materials for unsurpassed performance and reliability
  • Designed specifically for 7ft. garage doors - extension kits required for 8 ft. (8808CB-P) and 10 ft. (8810CB-P) doors.
  • Installation Made Easy - Our online installation videos, pre-programmed remotes, snap-lock rail system and tech support ensure installation goes smoothly.
  • Included: 2 3-Button Remotes, 1 Dual-Function Wall Control Panel, and Safety Sensors
  • 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.
  • 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 www.P65Warnings.ca.gov

Warranty Information

  • Motor: 10 years
  • Belt: 15 years
  • Parts, Accessories: 1 year

Specifications

Motor: Med Lift Power1/2 equivalent HPDrive TypeBelt
Total Max Wattage200 WRadio Frequencies310, 315, 390
Lighting CompatibilityCFL Installed Product Weight32 lb
Number of Lights2 Voltage120 V
Max Door Height7 ftMax Wattage each Light100 W
Maximum Open Size7 ft

California Residents: Proposition 65 WARNING

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