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This 877MAX Liftmaster Keypad is the recommended replacement for the 66LM Liftmaster control 390mhz frequency
Completely wireless mounts directly to the door jamb
Backlit keypad for nighttime use
Open/Close garage door without keys or remote
9v battery included
Installation instructions included
COMPATIBLE WITH THESE BRANDS:
FREQUENCY 390 MHz
For use with older model Chamberlain Sears Craftsman Master-Mechanic Wayne Dalton and Tru Value garage door operators
Use with Chamberlain model 740CB Sears models 139.53776 and 139.53876
Compatible with billion code systems with red or green LED lights on the remotes 390MHz.
Posted by Dennis Fountain on Oct 15th 2018
This is my third keypad for my third door with Liftmaster 8500. Works like a charm. Delivered on time. Easy to install and program.
Posted by mhelfe19 on Jun 20th 2018
After confirming that this unit was the correct one for my opener, I ordered the unit. It arrived promptly and I was able to replace the old unit in about 5 minutes. It linked up perfectly with the garage door opener with no problems. Excellent product and customer service.
Posted by Unknown on Apr 20th 2018
I ordered this for use with a LIftMaster 8500 I had just installed. Open Door Discount Remotes responded to my inquiry that it was the right one for the opener. The programming could not be simpler. However, the instructions that came with the unit don't really contemplate the 8500. I couldn't get the keypad to communicate with the 8500. However, I set aside the keypad instructions and pulled the installation manual for the 8500 and found that the programming has to be through the MyQ Control Panel and not directly through the opener. I hope that will help anyone else that purchases one for use with the 8500. The keypad programmed very easily. Simply a matter of opening the programming function and entering the code. The system does the rest, pretty much. The keypad works perfectly and installs with 2 screws, super simple.
I started to give the keypad 4 stars because of the lack of clarity of the instructions that accompany it. However, the performance and ease of programming once the small problem is overcome make this a 5 star despite the instruction issue.
Open Door Discount was responsive and shipped immediately. I had the keypad within 2 days of my order. I'll continue to do business with them whenever I need openers and accessories.
Posted by Unknown on Apr 9th 2018
Works great. Follow the directions and you are set to go
Posted by Unknown on Nov 20th 2017
Easy set up and works great.
Posted by Unknown on Jun 9th 2017
Buttons are very responsive. Easy to set up