Weather-resistant for outdoor mounting requirements Provides convenient access to gated communities, industrial facilities, and commercial sites all with a single transmitter solution
Three channels provide expanded remote control capacity: Channel 1 - 50 remotes, Channel 2 - 20 remotes, Channel 3 - 20 remotes Multiple remote control options available to provide secure access from the safety and convenience of a vehicle
Compact design fits most gate and commercial door operators Compatible with 811LM, 813LM, and all MAX remote controls
Power: 12-24VDC or 12-24VAC Relay Outputs: Output channels - 1 FORM C and 2 FORM A relays Narrow-band on 310 MHz, 315 MHz, and 390 MHz Security+ 2.0TM Rolling Code and Encrypted DIP
Operational temperature from -35 to 65 degrees C; Storage temperature from -40 to 85 decrees C Compliant with FCC Part 15 1-year warranty
The 41C4220A is comptabile with: Liftmaster Sears Craftsman Chamberlain Access Master and all other Chamberlain Chain Drive Units manufactured after 1984. You can find the manufacture date on the back of your motor unit.
Not sure if your garage door opener is compatible with the 41C4220A? Check the manufacture date on your motor head. Does your current chain drive gear have a diameter of 2 3/4" and a bore diameter of 1/2"? Does the sprocket assembly look the same?
41C4220A includes: Sprocket and drive gear, worm gear, grease, replacement bearings, and instructions.