The Optical Encoder also called the RPM sensor, is used in certain Genie model chain and belt drive garage door openers. (See below for compatibility) This may resolve the issue of short travel problems or drifting limits on the garage door opener.

• Compatible with these models that have NIDEC motors; 1028, 2028, 1035, 2036
• If you do not see your model on this list and have questions please contact Genie for compatibility questions
• Genuine Genie Replacement Part