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Genie SilentMax 1200 Model 4042-TKH Garage Door Opener with Motion Detection Lighting, Ultra-Quiet Steel-Reinforced Belt Drive, 140V DC Motor, 3/4 + HPc 140V Belt Drive, Gray

4.3 4.3 out of 5 stars 490 ratings

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About this item

  • ULTRA-QUIET OPERATION: The SilentMax 1200 is an ideal garage door opener for garages attached to living spaces.
  • POWERFUL AND SMOOTH OPERATION: The powerful 140V DC motor features a soft start and stop control for smooth door travel.
  • FAST AND EASY INSTALLATION: With no additional hardware required for assembly, the c-channel rail makes for faster, easier installation.
  • DURABLE AND RELIABLE: The steel-reinforced belt drive system adds strength, durability and value to the SilentMax 1200.
  • SAFE AND SECURE: The Self Diagnostic Safe-T-Beam system helps prevent accidents and Intellicode Security technology helps prevent unauthorized access.
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Customer ratings by feature

Motion detection
4.7 4.7
Remote Control
4.5 4.5
Noise level
4.5 4.5
Easy to install
4.4 4.4

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From the manufacturer

Genie SilentMax 1200 ultra quiet belt drive garage door opener, the lift without the loud

Genie SilentMax 1200 belt drive quiet garage door opener with motion detection lighting

Genie silentmax 1200 ultra quiet garage door opener ideal for living spaces

Genie silentmax 1200 garage door opener with 140V DC motor

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Product Description

The Genie Silent ax 1200 ultra-quiet garage door opener is the perfect option if your garage is attached to your home or a living space. This model comes with a 140V industry leading DC motor that is lighter in weight and provides ultra-quiet and smooth operation, so that your family will not be disturbed by a noisy garage door opener. The soft start and stop feature of the motor offers smooth garage door travel, an improvement over AC motors. It’s powerful enough for almost any residential garage door, up to 7 feet in height (or 8 feet with an extension kit sold separately). The SilentMax offers increased opening speeds, up to 9 inches per second, yet still has safety features for your peace of mind. The Safe-T-Beam system helps prevent accidents via an invisible infrared beam across the door opening, which reverses the garage door if an object crosses the beam of LED light. The beams are enhanced with diagnostic technology to alert you if a malfunction occurs. Even the lighting system in the SilentMax is geared toward your safety: the 2 Bulb Bright Lighting System has space for 2 100-watt bulbs (not included) and an innovative power head design that places the lighting toward the back of the garage where you need it most. The SilentMax also features a built-in motion detector that will automatically turn the overhead garage door opener lights on for added convenience and security! Equipped with Security technology, the SilentMax 1200 garage door opener provides extra safety by preventing unauthorized access to your garage. is a rolling code technology that automatically changes the access code on each door activation. The opener is fast and easy to install, with a premium reinforced low profile c-channel rail that presents a clean design to help protect against dirt and debris build-up. Flush-mounting capability allows for low headroom applications and requires no additional hardware for assembly. The Genie SilentMax 1200 ultra-quiet garage door opener comes with a Limited Lifetime Motor and Gearbox , and accessories include two pre-programmed 3-button remotes, a Wireless Keyless Keypad and a Multi-Function Wall Console (Control Panel) with vacation lock and light control button. Genie’s Smart Set programming makes setup for the opener fast and easy, with the simple push of a button.

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Warranty & Support

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Genie SilentMax 1200 Model 4042-TKH Garage Door Opener with Motion Detection Lighting, Ultra-Quiet Steel-Reinforced Belt Drive, 140V DC Motor, 3/4 + HPc 140V Belt Drive, Gray


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Important information

Safety Information

*NOT FOR SALE IN THE STATE OF CALIFORNIA* Due to California Senate Bill No. 969, as of 01 July 2019 all garage door openers, sold to or installed at any residence in California, must have a battery backup system included. Please search for Genie battery backup to find one that is in compliance with this law.

Bulb Voltage

120 volts

Customer reviews

4.3 out of 5 stars
4.3 out of 5
490 global ratings

Customers say

Customers like the speed, noise and brightness of the garage door opener. For example, they mention it's decently fast, runs smoothly and that it gradually slows down to a stop. They're also happy with the quality, and ease of assembly. That said, some complain about the durability. Opinions are mixed on performance, and opening.

AI-generated from the text of customer reviews

90 customers mention85 positive5 negative

Customers like the noise level of the garage door opener. They mention that it is very quiet and can barely be heard when in operation.

"...It was easy to install and with the faster speed and lack of noise compared to the unit it replaced I would recommend it to anyone." Read more

"...I watched a couple videos and that helped too. Seems strong and quiet." Read more

"...Simple straightforward install and so much quieter." Read more

"...It works, it’s quieter, so time to close this project and on to the next...." Read more

58 customers mention52 positive6 negative

Customers find the garage door opener easy to assemble. They say the instructions are clear and concise, and the parts are in color-coded bags. They also say the installation is fast and quiet, and that the wiring is a piece of cake. Customers also mention that the remote entry is easy to code, and hooking up the electrical was a breeze.

"...It was easy to install and with the faster speed and lack of noise compared to the unit it replaced I would recommend it to anyone." Read more

"I installed it myself and it was manageable. Clear instructions. I watched a couple videos and that helped too. Seems strong and quiet." Read more

"...Simple straightforward install and so much quieter." Read more

"...But the instructions were clear and concise, and the parts were in color-coded bags which made them fairly easy to locate...." Read more

55 customers mention43 positive12 negative

Customers like the quality of the garage door opener. They mention it's an outstanding unit, very quiet, and does the job effortlessly. Some say that the belt drive is the best and the motor is solidly built.

"...Clear instructions. I watched a couple videos and that helped too. Seems strong and quiet." Read more

"I order this one to replace my Crasftmen 1/2hp opener. It is very quite and very powerful...." Read more

"...Instruction are well done. This model is the best Genie product that I have installed to date." Read more

"...travel, I let it go to the bottom with some force and the whole track bowed and twisted, which was surprising...." Read more

18 customers mention13 positive5 negative

Customers like the speed of the garage door opener. They say it's quiet, runs smoothly, and gradually slows down to a stop. Some say it is efficient.

"...It was easy to install and with the faster speed and lack of noise compared to the unit it replaced I would recommend it to anyone." Read more

"...The unit is quiet and quick - the garage door itself makes far more racket than the opener...." Read more

"This opener works very well. We love our new less noisy and fast opener...." Read more

"...set up the open/close limits, and it's really cool that it gradually slows down to a stop when it's nearing the end...." Read more

17 customers mention17 positive0 negative

Customers are satisfied with the brightness of the garage door opener. They mention that it is quiet, has a motion sensor, and the light automatically lights when they enter the garage.

"...The motion sensor light control is a great addition and is very useful when I am carrying something through my garage with my hands full...." Read more

"...I love that it's silent and decently fast. I love that it detects motion and turns on the light for me...." Read more

"...Quiet, motion light works great. Good value." Read more

"Very quiet operation. Changed all rollers as well. Motion sensor is a plus." Read more

49 customers mention34 positive15 negative

Customers are mixed about the performance of the garage door opener. Some mention that it has worked great, and is extremely quiet. They say it works flawlessly with the Homelink system in their Toyota Tacoma. However, others say that it did not work. They mention that the bar/ rail keeps bending and causing the door to not operate correctly. Additionally, some customers also report that the door sensors stopped working.

"...The motion sensor light control is a great addition and is very useful when I am carrying something through my garage with my hands full...." Read more

"...This Genie solved both problems: It works flawlessly with the Homelink system in our Toyota Tacoma (2012), and it automatically adjusted its opening..." Read more

"...However, after using it for just a week it's quit working. The flashing lights indicate a unit failure per the instruction book...." Read more

"...It is very quite and very powerful. It take me 3-4 hr to remove my old opener and install the new one...." Read more

14 customers mention7 positive7 negative

Customers are mixed about the opening of the garage door opener. Some mention that it's quiet, and it opens and closes quickly. They also say that it starts slow but then opens very fast. However, others say that they have issues with the door not closing or it opening eventually.

"...The unit opens/closes my garage door quickly and quietly...." Read more

"...I close it and it opens again after couple days. I finally taped it to keep it closed. Another concern was the power chord was 2 feet long...." Read more

"...Homelink system in our Toyota Tacoma (2012), and it automatically adjusted its opening force - the door now opens smoothly and without..." Read more

"...All of these exhibit the same sort of symptoms: the door will open eventually, after a couple minutes of sitting in the driveway with the engine..." Read more

14 customers mention0 positive14 negative

Customers are dissatisfied with the durability of the garage door opener. They mention that the belt broke after a year of use, the circuit board died at 8 months, and the main powerhead unit fails after just 4 months. Some say that the opener broke out of the blue after less than 6 months of use and the motor burned out within 9 months.

"...First, the motion sensor dome was smashed out of the box (see picture 1) - they put in self adhesive foam protector but it compresses during..." Read more

"...We had a professional check it out, and it was simply dead... power was feeding into it, but the unit itself was lifeless...." Read more

"...Three weeks ago the outside unit went out and called another technician who said it was dead...." Read more

"...The drive belt broke and the pulley was damaged. I used my old parts to get the opener running...." Read more

Quiet and twice as fast as the Martin Opener it replaced.
4 Stars
Quiet and twice as fast as the Martin Opener it replaced.
I'd almost give it 5 stars, but the sensors were not very adjustable and I had to fabricate my own bracket. I'm sure that wouldn't be the case for most garage doors and has more to do with the way mine was originally installed.Other than that, all is good. I was a bit worried after reading some of the negative reviews, but all went smoothly. I ditched the instructions after the first couple of minutes and I think they'd do well to work on them a little.I'm not a fan of the three piece rail assembly, so I used my rail from the Martin opener that this one replaced. Most of the style openers have the same spindle, so that was easy enough. I also modified the installation just a bit and located the door bracket up higher on the door, as well as used a close mount setup that holds the track itself right by the motor.
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