Chamberlain PD752D

Unit was easy to install. It took me over 10 hours over Saturday and Sunday to install because I spent a lot of time trying to figure out how to attach the rail to the garage door header beam without adding… any new holes since this is the third opener I am installing in this house and I did not want to make the header beam weaker with additional holes. Same situation with the top beam on the door. I also took advantage of the existing Genie sensor brackets and modified them to accept the new sensors. I gave this opener 4 stars due to it is not as quite as a screw drive Genie and I still cannot set the motor to stop before the door reach the open and close limits. My wooden door is heavy and hope the 3/4 HP Chamberlain last longer than the previous 1/2 HP Genie screw drive which lasted only 4 years.

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It's a great product and get the 3/4 HP model. Took a little effort to install. There are a few tricks installing this. 1. Need more and stronger mounting brackets. I had to buy a few from Home Depot and… cut them to fit. 2. Need more lag screws to go with the brackets. 3. Had to buy an automatic Garage Door Closer from Amazon (Xceltronix) 4. Use levels and triangle to make sure things are level and plumb. Wish I had a laser level.

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Chamberlain PD752D 3/4-Horsepower Heavy-Duty Premium Chain Drive Garage Door Opener * Whisper-quiet, smooth operation * "Security+" rolling-code technology * PosiLock theft protection… * Industrial strength power for super-heavy doors * Two remote controls and multi-function wall-mount panel. The unit was well packaged for shipment. Instructions were well written and easy to understand. I have a heavy 7 ft. wood sectional door and it opens easily and smoothly. The sensors aligned easily first try. Only had to make minor adjustments to the force and height open adjustments. The remote controls and wall-mount panel were easy to program to my preference. I love the auto sensing light which comes on automatically when I enter the garage. Although the chain drive openers are a little noisier than some units, (much quieter than my old unit) my experience has been that they are more reliable and require less maintenance. It took me about 4 hours to install from start to finish.

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