LCN 4021 Heavy Duty Surface-Mo...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$688.00
$448.07
LCN LCN 4021 Surface-Mounted Heavy Duty Door Closer - Powder Coat Finish LCN-4021-POWDER

LCN 4021 Heavy Duty Surface-Mounted Door Closer with Powder Coat Finish

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Model: 4021-REGARM-689-RH
$688.00
$448.07
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$688.00
$448.07
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LCN 4021 Heavy Duty Surface-Mounted Door Closer with Powder Coat Finish

Professional Heavy-Duty Door Closing Solution

The LCN 4021 Heavy Duty Surface-Mounted Door Closer delivers reliable performance for high-traffic commercial applications. This Grade 1 certified closer features adjustable spring power using the patented LCN Green Dial system, accommodating interior doors up to 5'0" and exterior doors up to 4'0". Built with cast iron construction and a 1-1/2" diameter piston, it meets ANSI/BHMA A156.4 Grade 1 standards and carries UL and cUL listings for demanding installations.

Professional Features & Benefits

  • Door Size Compatibility: Sized cylinders accommodate interior doors to 5'0" and exterior doors to 4'0" for versatile commercial applications.
  • Heavy-Duty Construction: Cast iron cylinder with full-complement bearing and 1-1/2" diameter piston provides exceptional durability for high-traffic use.
  • Adjustable Spring Power: LCN patented Green Dial Spring force indicator eliminates guesswork and allows custom adjustment for specific application demands.
  • Grade 1 Certification: Tested and certified under ANSI/BHMA A156.4 Grade 1 standards with UL and cUL listings for code compliance.
  • All-Weather Performance: All-weather fluid ensures consistent operation across temperature variations and environmental conditions.
  • ADA Compliance: Meets ADA requirements for accessible door operation in commercial facilities.
  • 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 double heat-treated steel components engineered for demanding commercial applications. The 30-year warranty demonstrates LCN's commitment to long-term performance where dependable door control is essential.

Product Documentation & Resources

Product Specs

Series:
4020 Series
Duty Level:
Heavy Duty
ADA Compliant:
Yes
BAA Qualified:
Yes
Mounting Hole Pattern:
2-1/2" x 6"
Warranty:
30 Year
Closer Size:
1
Mounting Detail:
Surface - Top Jamb (Push Side)
Mounting Location:
Pull Side
Subcategory:
Door Closers - Surface Mounted
Product Group:
Door Controls
Product Subgroup:
Door Closers - Surface Mounted
Product Type:
Surface Mounted Door Closers
Finish Type:
Powder Coat
Fluid Type:
All-Weather
Commercial/Residential:
Commercial
MAP Policy:
Yes
Closer Size:
2
Closer Size:
3
Closer Size:
4
Closer Size:
5
Product Model:
4021
Cover Type:
Plastic/Metal
Delay Function:
Yes
Mounting Method:
Surface Mount
Product Category:
Door Controls
Product Substrate:
Iron
Department:
Door Hardware

LCN 4021-REGARM-689-RH – Frequently Asked Questions

How fast can I get the LCN 4021-REGARM-689-RH 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 4021-REGARM-689-RH come with a warranty?
Absolutely. The LCN 4021-REGARM-689-RH 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 4021-REGARM-689-RH?
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 4021-REGARM-689-RH 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.
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