LiftMaster V-Belt (4L300, Q042) | LIF-K16-50108 Control Panels Communication: When called by tone

Communication: When called by tone

Occupied LED when in use

Built-In thermostatically controlled heaters

a surface-mount door station

This package includes the components you need to get started – including a primary arm

LiftMaster V-Belt (4L300, Q042) | LIF-K16-50108 Control Panels Communication: When called by toneLiftMaster V Belt (4L300, Q042) LIF K16 50108 This is a replacement 4L300 V Belt (Q042). Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster Q042 Compatibility This part is compatible with LiftMaster CSW200UL Swing Gate Perimeter Access Systems.