Description
The LCN 4010T-78DE is a replacement main arm and tube assembly for LCN 4010 Series door closers, designed for left-hand hinge-pull mounting on interior doors up to 5'0" and exterior doors up to 4'0". This part restores smooth, controlled closing action on aging or damaged closers and suits facilities managing multiple doors across commercial and institutional buildings.
The 4010T-78DE LH is compatible with standard LCN 4010 Series closers and installs on the hinge side of the door frame. Aluminum construction with optional powder coat or plated finishes accommodates most environments; SRI primer is available for corrosive settings. Contact E.D. Locks, an authorized LCN dealer, at sales@edlocks.com or 1-877-207-6067 for proper sizing, finish selection, and installation guidance.
