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S Excelerator Garage Door Opener Down Limit Switch
Includes a Proximity sensor that provides additional card reader access for commercial buildings or amenities in gated communities such as pools
Step #4 Determine if your spring is LEFT WOUND or RIGHT WOUND
Capacitor hooks up to the existing wires in the operator for quick replacement
WITHOUT HEATER -4°F (-20°C) to 140°F (60°C) WITH OPTIONAL HEATER (HTR) -40°F (-40°C) to 140°F (60°C)
LiftMaster 480LM Alternate Mounting Kit for 3800 & 8500 RJO S Excelerator Garage Door OpenerThe 480LM alternate mounting extension kit enables the 3800 & 8500 opener to be lowered due to obstructed areas and low ceilings. Is used when there is not enough space for the 3800 & 8500 to connect directly to the torsion bar. Lowers elevation of 3800 & 8500 garage door opener by five inches With the 480LM you can still mount the opener to the left or right of the garage door. Comes with Mounting bracket, hardware and instructions. Installs quickly
