Description
The LCN 4021-REG is a heavy-duty surface-mounted door closer built for institutional and high-traffic commercial environments. It delivers reliable, consistent closing performance on standard-weight doors, solving the challenge of maintaining secure entry control in busy facilities without requiring frame modification.
This left-hand model installs on top of the door jamb and is compatible with most standard door frames. The 689 size accommodates typical commercial door weights. For proper sizing, installation guidance, and expert support selecting the right closer for your application, contact our authorized LCN dealers at sales@edlocks.com or 1-877-207-6067.
