LCN 4024T Heavy Duty Surface-Mounted Door Closer with Powder Coat Finish

LCN 4024T Heavy Duty Surface-Mounted Door Closer with Powder Coat Finish

Professional Grade 1 Door Closer for High-Traffic Commercial Applications

The LCN 4024T is a heavy-duty surface-mounted door closer engineered for demanding interior high-traffic conditions. This Grade 1 device features cast iron construction with a 1-1/2" diameter piston and is sized for interior doors up to 5'0" and exterior doors up to 4'0". UL and cUL listed with ANSI/BHMA A156.4 Grade 1 certification, this closer delivers professional-grade performance with LCN's patented Green Dial Spring force indicator for precise adjustment.

Professional Features & Benefits

• Heavy-Duty Cast Iron Construction: Cast iron cylinder with full-complement bearing and double heat-treated steel pinion journal provides exceptional durability for high-traffic commercial applications.
• Precision Piston Design: 1-1/2" diameter piston delivers consistent closing force and smooth operation throughout the door cycle.
• Door Size Compatibility: Sized cylinders accommodate interior doors to 5'0" and exterior doors to 4'0" with non-sized cylinder adjustable for interior doors to 4'6" and exterior doors to 3'6".
• Grade 1 Certification: UL and cUL listed, meets ANSI/BHMA A156.4 Grade 1 standards for superior performance and reliability in commercial applications.
• LCN Green Dial Technology: Patented Green Dial Spring force indicator eliminates guesswork in spring force adjustment for optimal door operation.
• All-Weather Performance: All-weather fluid ensures consistent operation across temperature variations and environmental conditions.
• Manufacturer Warranty: 30-year warranty provides long-term confidence and protection for commercial installations.
• Professional Installation Features: Application-specific handed design with peel-n-stick template and standard plastic cover for efficient installation.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose LCN Quality?

LCN door closers deliver professional-grade reliability with cast iron construction and precision-engineered components tested to ANSI/BHMA Grade 1 standards. Backed by a comprehensive 30-year warranty and featuring the patented Green Dial adjustment system, LCN closers are engineered for demanding commercial applications where dependable performance is essential.

Product Documentation & Resources

• [Catalog] LCN Full Line Catalog