SilentMax 1200 garage door opener by Genie

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Model 4042

The SilentMax 1200 provides intelligent design for the homeowner that wants quiet and fast performance with superior design and the ultimate in conveniences to fit their busy lifestyle.

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Belt Drive

  • ¾ HPc** Power Plus motor
  • Quiet operation with soft start and stops
  • Lifetime Motor & Gearbox Warranty
  • Bright (2) 100 Watt bulb lighting system
  • Opening speed: up to 9.0 in/sec ***
  • SmartSet push button programming
  • Auto Seek Dual Frequency
  • GenieSense Monitoring and Diagnostics
  • Assembled in USA
Introducing Aladdin Connect - Smart Device Enabled Garage Door Controller

Special Features

  • Power: ¾ HPc** Power Plus 140 Volt DC motor provides power to operate almost any residential garage door up to 14' high for sectional doors with appropriate rail.
    (Up to 8' high for one-piece doors. * )
  • Quiet operation: The DC motor and belt drive allow for quiet, smooth operation and soft start and soft stop.
  • Two-Bulb Lighting System: Two 100 Watt bulb lighting system provides added convenience and safety.
  • Maximum opening speed of 9.0 inches per second*** for fast performance.
  • SmartSet programming: Push button programming makes set up fast and easy.
  • Auto Seek Dual Frequency: System will automatically seek either the 315 or 390 MHz frequency produced by a remote, helping to ensure the opener will respond regardless of nearby frequency interference.
  • GenieSense Monitoring and Diagnostic Technology: Delivers the power needed at every movement of the garage door and continuously monitors the operation of the door, stopping operation when significant changes occur. GenieSense™ minimizes noise, wear and tear on the door, and improves overall safety.

Standard Features


* Operates residential sectional doors up to 14’ high, and one-piece doors up to 8’ high. However, please note that 8’ high doors require a separately purchased rail extension kit. For doors taller than 8’ high, please consult with a professional Genie dealer.

** ¾ Horsepower Comparable (HPc) designates that this garage door opener meets Genie's lifting force specification for ¾ horsepower garage door openers.

*** Maximum opening speed +/- 0.5 in/sec.

† See manual for limitations and details.