LiftMaster 400 Chip For Fire Door Operator | LIF-K79-13493A-400 Varifocal Viking’s true battery backup

Viking’s true battery backup

Make sure to calculate the door area to ensure compatibility

A USAutomatic Ranger (HD or 500) empty plastic control box assembly

Opening And Closing Time: 17 s

LiftMaster 128033

LiftMaster 400 Chip For Fire Door Operator | LIF-K79-13493A-400 Varifocal Viking’s true battery backupLiftMaster 400 Chip For Fire Door Operator LIF K79 13493A 400 This is a 400 Chip Fire Door Operator Replacement Kit. For use with various LiftMaster Commercial Door Operator Models. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part.