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LCN 4211T Heavy Duty Surface-Mounted Door Closer with Tamper-Resistant Security Cover
Professional High-Security Door Closer for Institutional Applications
The LCN 4211T Heavy Duty Surface-Mounted Door Closer delivers professional-grade security and durability for correctional, institutional, and high-traffic interior applications. This Grade 1 certified closer features forged steel parallel arms, heavy gauge metal security covers, and tamper-resistant components designed to minimize vandalism. Sized cylinders accommodate interior doors to 5'0" and exterior doors to 4'0", with UL listing for self-closing doors and comprehensive 30-year limited warranty coverage.
Professional Features & Benefits
- Door Size Compatibility: Sized cylinders for 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".
- Heavy-Duty Security Construction: Forged steel parallel arms and heavy gauge metal security covers engineered specifically for correctional, vandal-prone, and institutional environments.
- Tamper-Resistant Design: Special components including tamper-resistant regulating screws and security covers minimize tampering and vandalism in high-risk applications.
- Premium Materials: High-strength cast iron cylinder, one-piece forged steel piston, double-heat-treated pinion, and high-efficiency full-complement low-friction bearing for exceptional durability.
- Grade 1 Certification: Tested and certified under ANSI/BHMA A156.4 Grade 1 standards with UL and cUL listing for self-closing doors.
- All-Weather Performance: All-weather fluid ensures consistent operation across temperature variations for reliable long-term performance.
- Precision Spring Adjustment: LCN patented Green Dial spring force indicator ensures accurate spring force adjustments for optimal door control.
- Comprehensive Warranty: 30-year limited warranty provides long-term protection and confidence in demanding commercial applications.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- 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
- Correctional Facilities
- Institutional Buildings
- High-Traffic Commercial Entrances
- Vandal-Prone Environments
- Educational Facilities
- Healthcare Institutions
- Government and Municipal Buildings
Tamper-Resistant Design
The 4211T features specialized security components including tamper-resistant regulating screws, heavy gauge metal security covers, and forged steel construction designed to resist vandalism and unauthorized adjustment. The security cover and TORX machine screw pack provide additional protection against tampering in high-risk institutional environments.
Why Choose LCN Quality?
LCN door closers deliver professional-grade reliability with high-strength cast iron construction, forged steel components, and all-weather fluid rated for demanding institutional applications. The comprehensive 30-year limited warranty demonstrates LCN's commitment to long-term performance. Engineered for demanding commercial applications where dependable performance and security are essential, LCN closers meet ANSI/BHMA Grade 1 standards and ADA requirements.
Product Documentation & Resources
Manufacturer Resources
LCN Full Line Catalog
Product Specs
- Series:
- 4210T Series
- ADA Compliant:
- Yes
- BAA Qualified:
- Yes
- Mounting Detail:
- Surface - Stop Face (Push Side)
- Warranty:
- 15 Year
- Closer Size:
- 1
- Mounting Location:
- Push Side
- Subcategory:
- High Security Closers
- Duty Level:
- Heavy Duty
- Product Group:
- Door Controls
- Product Subgroup:
- Door Closers - Surface Mounted
- Product Type:
- Surface Mounted Door Closers
- Door Type:
- Interior Door
- Finish Type:
- Powder Coat
- Fluid Type:
- All-Weather
- Fasteners:
- Torx Machine Screws (TORX)
- Commercial/Residential:
- Commercial
- Product Model:
- 4211T
- Delay Function:
- No
- Door Opening Size:
- 180 Degrees
- Mounting Method:
- Surface Mount
- Product Category:
- Door Controls
- Product Substrate:
- Iron
- Department:
- Door Hardware
LCN 4211T-689 – Frequently Asked Questions
How fast can I get the LCN 4211T-689 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the LCN 4211T-689 come with a warranty?
Absolutely. The LCN 4211T-689 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the LCN 4211T-689?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the LCN 4211T-689 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.