Opener model
66LM
What this site holds on it
- Model
- 66LM
- Type
- Keypad
- Brand family
- Chamberlain group (Chamberlain, LiftMaster, Craftsman)
- Listings naming it
- 1
One keypad listing names 66LM. It is the shortest number in this index and it shares the LM suffix with several longer ones, which invites the assumption that it belongs to the same generation as the numbers around it. A shared suffix is a naming convention. This site treats it as a naming convention and nothing else, so 66LM is here on the strength of one seller printing it and no other reason.
Generation
Not established here. No listing collected for this site ties this model number to a Learn button color, a frequency or a date range. What the button colors do say.
Listings that name this model
Universal Wireless Keypad
A keyless entry keypad described for openers made since 1993. The listing states 877MAX, 878MAX, 377LM, 977LM, 66LM and Wayne Dalton.
Read the listing
How to check this yourself
- Confirm you are replacing a keypad. The single listing that names 66LM here is a wireless keyless entry pad.
- Read the opener model number from the label on the motor unit, and photograph the label rather than copying it out.
- Check the Learn button color against the published manufacturer chart, and note the antenna wire color as a second reading.
- Search for 66LM as a literal string in listing descriptions, and disregard results that carry it only in a keyword-stuffed title.
- Do not assume that a listing naming 377LM or 977LM has said anything about 66LM. The suffix they share is not evidence.
Two different numbers
- The number on your remote and the number on your opener motor unit are different things. This page is about the model number as the listings print it, not about your opener generation.
- Nothing on this page infers compatibility. If a listing does not name your model, this site will not name it either.