Liftmaster 41D4674-14G Screw Drive Logic Board
NEW NUMBER 41D4674-20G replaces the -14G
LM "E" Logic Control Board,
390mhz SD 1pc. 1/3HP & 1/2HP
1997-2005, Red Learn Button Sec+
This lift master logic board is designed for the residential home owner using security plus 390mhz garage door remotes and transmitters. Check our compatibility chart to make sure this is the right logic board for your needs. Liftmaster logic board chart.
Compatibility: 41D4674-14, 41D4674-14B, 41D4674-14C, 41D4674-14D, 41D4674-14E etc.
This is for the security plus garage doors and we recommend using Liftmaster 990LM Garage Door Opener Surge Protector when replacing safety sensors or circuit boards.
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