LiftMaster 3950CGJ Chain Guard Kit guide assembly Knock out for Knox key

Knock out for Knox key switch

Will work with GTO's PRO1500

For use with various LiftMaster® 1-Phase Gear-Reduced Commercial Door Operators and Commercial Access Systems

LiftMaster Output Arm (Q059) | LIF-K09-50119

Drive Sprocket #50 Chain

LiftMaster 3950CGJ Chain Guard Kit guide assembly Knock out for Knox keyLiftMaster 3950CGJ Chain Guard Kit The chain guard is intended to be used with LiftMaster commercial jackshaft operators installed on either live shaft or dead shaft doors. The chain guard is required to comply with UL requirements for applications where the drive chain is exposed lower than 8 feet. Manuals LiftMaster 3950CGJ Installation Manual