Viking X-390 Replacement Arm Unit lm-sl505 and manage your DoorKing 1830

and manage your DoorKing 1830 series system from anywhere

It is used in the operator’s target-sensing system and should be selected when the parts diagram calls for the long sensor version rather than the short sensor or separate magnet assembly

Finish: Unfinished steel

Designed for secure outdoor installations

Viking X-390 Replacement Arm Unit lm-sl505 and manage your DoorKing 1830Replacement Arm for Viking X 390 Swing Gate Operator Control Board Required Download Specs Download Manual The Viking X 390 Replacement Arm Unit is crafted to restore the power and precision of your Viking X 390 Swing Gate Operator. Designed to match the original specifications, this durable replacement arm ensures smooth gate automation for residential, commercial, and industrial swing gates. Please note that the replacement arm requires a control