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LiftMaster 377LM
LiftMaster 377LM: common successor path 877MAX / 878MAX. Match learn-button color before ordering.
Fitment facts
| Field | Value |
|---|---|
| Brand | LiftMaster |
| SKU | 377LM |
| Role | Security+ keypad |
| Successor path | 878MAX |
| Protocol | LiftMaster/Chamberlain learn-button eras (Billion Code / Security+ / 2.0) |
| Often confused with | 333LM, 361LM, 362LM, 363LM, 365LM |
| Hard stop | If buying current stock, confirm housing still accepts 377LM vs successor 878MAX |
| Confirm | Learn-button color on the powerhead + old remote label |
| Install note | Keypad → MAX keypad; yellow learn → 878MAX bias |
Hard stop
If buying current stock, confirm housing still accepts 377LM vs successor 878MAX
Before you buy
- Hard stop: If buying current stock, confirm housing still accepts 377LM vs successor 878MAX
- Confirm: Learn-button color on the powerhead + old remote label
- Often confused with: 333LM, 361LM, 362LM, 363LM, 365LM
- Install note: Keypad → MAX keypad; yellow learn → 878MAX bias
Sources
Related
liftmaster-333lm · liftmaster-361lm · liftmaster-362lm · liftmaster-363lm · liftmaster-365lm · liftmaster-370lm · liftmaster-877max · liftmaster-878max