Important Note: Logic Board part numbers are as below.
B353/B353T, B750/B750T, B750C/B750T, B751C/B751CT and B970/B970T: 050DCTB
B1381: 050DCTBLK
B1381T: 050DCTB
Note: The B1381/B1381C are lock capable although have been discontinued from manufacturing by Chamberlain. The B1381T Garage Door Openers are not automatic door lock capable. Due to the existing lock capabilities for B1381/B1381C models, there is a different logic board for each of these openers.
If an automatic door lock capable Garage Door Opener is desired, please contact an authorized LiftMaster dealer.
3100 Lumens = the power of the light
4000 Kelvin = the color of the light
Download Manual (English)
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