LiftMaster 041D3452 Limit Switch Assembly Each entrapment point should be

Each entrapment point should be protected with its own device

The unit will feature a yellow learn button

Completely wireless – powered by one 9-volt battery (included)

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LiftMaster 041D3452 Limit Switch Assembly Each entrapment point should be041D3452 is a one piece limit switch replacement kit. Compatible with various garage door openers manufactured after 1995. Check the manual for your specific model number before ordering to ensure compatibility. Also known as 41D3013, 41D3452 Product Details Compatible with models 1140, 1145, 1146, 1150, 1155, 1156, 1160, 1200 Series, 1240, 1245, 1245 266, 1255, 1255 166, 1255 266, 1246, 1250, 1250 266, 1256, 1260, 1260 166, 1260 266, 1270, 2245,