SilentMax® 1200

Model 4042

SilentMax 1200- 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.


  • ¾ HPc* Power Plus motor

  • Opening speed: Up to 9.0 in/sec

  • Motion detection lighting

  • Limited Lifetime Motor & Gearbox Warranty **

  • 2 light bulbs – Genie LED light bulbs recommended (100-watt max if incandescent bulbs used.)

  • GenieSense™ Monitoring and Diagnostic Technology

  • Intellicode® Security

  • HomeLink® & Car2U® compatible (No external repeater box or bridge needed.)

Model 4042
Model 4042
Model 4042
Model 4042

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Model 4042
Model 4042
Model 4042
Model 4042
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Where to Buy.png

Special Features

  • Power: ¾ HPc* 140 Volt DC motor provides power to operate almost any residential garage door up to 7' high from the box, or up to 8' high with an extension kit (sold separately.)

  • 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 Genie Garage Door Opener Features

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Patented Dual Frequency Technology:

Patented technology that automatically finds the best line of communication between Genie® products. This maximizes the range of radio frequency devices and improves the overall performance of products.

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Intellicode Security Technology:

Keeps your home and family safe by changing the access code from billions of combinations at each door activation to help prevent unauthorized access.

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GenieSense™ Monitoring & Diagnostic Technology:

Provides safety by continuously monitoring the operation of the garage door opener, stopping the operation to alert you when significant changes occur.

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Installation Manuals and Support

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Assembly / Installation Poster

Operation & Maintenance Manual

Programming Instructions

Other Helpful Resources


*More resources and support can be found on our full Genie Customer Support Portal

RECOMMENDED ACCESSORIES

Battery Backup Icon

CALIFORNIA RESIDENTS: In accordance with California State Law SB-969, all installed garage door openers in the state must have battery backup as of July 1, 2019. Click Here to learn more.

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

** See manual for limitations and details.

*** For residential sectional garage doors up to 7' high. Extension kit required for 8' high doors.

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