High-traffic doors call for heavy-duty closers that won’t let you down, no matter how many people go through the door.

This heavy-duty closer is LCN’s most durable surface-mounted closer, designed for the most demanding applications.

Ease of installation and adjustments
The LCN 4040XP is known for its unparalleled quality, which leads to reliability and durability in the field.

  • Cast iron cylinder for rugged performance, longer life and maximum control
  • Single-piece, heat-treated forged steel arms to withstand bending and breaking
  • Heat-treated 1-1/2″ diameter piston for extra hardiness and strength
  • Double heat-treated steel pinion for greater wear-resistance
  • Independent speed adjustments for greater door control
  • Redesigned snap-fit cover with patent-pending retention fit
  • Powder coat finish that lasts longer than spray lacquer
  • 30-year warranty

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See how the LCN 4040XP just got better!