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This LiftMaster K75-10388 is a genuine chain tension replacement kit for LiftMaster APT commercial trolley operators (Apartment Trolley Operator - Logic 5
3A @ 24VDC
Corrosion Resistant: Resistant to rust and weather damage
this device supports up to 10
Compact 11/32" keeper—ideal for cylindrical lock configurations
DoorKing 2601-226 Replacement 9-Tooth Sprocket for #35 Chain lm-hctdcu This LiftMaster K75-10388 is aReplacement 9 Tooth #35 Chain Sprocket for DoorKing Gate Operators The DoorKing 2601 226 is a genuine 9 tooth sprocket designed for use with #35 roller chain in compatible DoorKing gate operator systems. The sprocket engages the drive chain to transfer motor power through the operator drivetrain, controlling gate movement through open and close cycles. A worn or damaged sprocket can cause chain slippage, inconsistent gate travel, or accelerated chain
