Genuine LiftMaster K77-39427 gray operator cover for the RSL12UL residential slide gate operator. This is the UL325-listed generation cover assembly, supplied in the standard LiftMaster gray finish.
The cover protects the chassis, e-box and control board from weather and debris, and carries the operator warning labels required for a compliant installation. Fitment: LiftMaster RSL12UL residential slide gate operators.
Replaces a cracked, faded or damaged cover. Order the matching K77-37857 cover for the non-UL RSL12U version of this operator.
