LCN 4050A Cast Aluminum Surfac...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$607.00
$353.06
LCN LCN 4050A Surface-Mounted Cast Aluminum Door Closer LCN-4050A

LCN 4050A Cast Aluminum Surface-Mounted Door Closer with 25-Year Warranty

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Model: 4050A-RWPA-689
$607.00
$353.06
Selected Finish is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$607.00
$353.06
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LCN 4050A Cast Aluminum Surface-Mounted Door Closer with 25-Year Warranty

Heavy-Duty Commercial Door Closer Solution

The LCN 4050A Series cast aluminum door closer delivers professional-grade performance engineered for high-frequency, high-abuse commercial applications. Featuring a cast aluminum cylinder with full-complement bearing and 1-1/2" diameter piston, this closer provides reliable operation with adjustable spring sizes 1-6 for versatile door weight compatibility. Built to excel in harsh environments while meeting ANSI/BHMA A156.4 Grade 1 certification and ADA requirements.

Professional Features & Benefits

  • Heavy-Duty Cast Aluminum Construction: Cast aluminum cylinder with full-complement bearing and double heat-treated steel pinion journal provides exceptional durability for demanding commercial applications.
  • All-Weather Performance: Liquid X all-weather fluid ensures consistent operation across temperature extremes and environmental conditions.
  • Adjustable Spring Force: Spring sizes 1-6 accommodate various door weights and applications for optimal closing performance.
  • Universal Installation: Non-handed design simplifies inventory and installation with multiple mounting options including hinge pull side, push side top jamb, and push side parallel arm configurations.
  • Grade 1 Certification: Tested and certified under ANSI/BHMA A156.4 Grade 1 standards with UL and cUL listings for code compliance.
  • ADA Compliance: Meets ADA requirements for accessible door operation in commercial facilities.
  • 25-Year Manufacturer Warranty: Industry-leading warranty coverage provides long-term confidence and protection for commercial installations.
  • Finish Options: Standard powder coat finish with 6 standard colors and unlimited custom colors, plus optional full metal cover and SRI primer for corrosive conditions.

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 closer products deliver professional-grade reliability with cast aluminum construction and full-complement bearing design rated for high-frequency, high-abuse applications. Backed by an industry-leading 25-year warranty and featuring patent-pending design elements with all-weather Liquid X fluid. Engineered for demanding commercial applications where dependable performance and long-term durability are essential.

Product Documentation & Resources

Product Specs

Series:
4050A Series
Duty Level:
Heavy Duty
ADA Compliant:
Yes
BAA Qualified:
Yes
Mounting Hole Pattern:
2-3/8" x 6-3/4"
Warranty:
25 Year
Closer Size:
1
Mounting Detail:
Surface - Hinge Mount(Pull Side), Top Jamb Mount(Push Side), Parallel Arm Mount(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
Closer Size:
2
Closer Size:
3
Closer Size:
4
Closer Size:
5
Closer Size:
6
Mounting Location:
Push Side
Product Model:
4050A
Cover Type:
Plastic/Metal
Delay Function:
Yes
Mounting Method:
Surface Mount
Product Category:
Door Controls
Product Substrate:
Aluminum
Department:
Door Hardware

LCN 4050A-RWPA-689 – Frequently Asked Questions

1) What doors can the LCN 4050A closer handle?
The LCN 4050A handles interior and exterior doors up to specific weight limits. Verify your door weight and width against manufacturer specifications. Check for wind load requirements on exterior applications.
2) Is this closer handed or universal?
Most LCN surface mount closers are universal and can be field adjusted for left or right hand doors. Confirm handing requirements during installation and verify with your door configuration.
3) What finishes are available for the 4050A?
LCN typically offers standard architectural finishes including aluminum, bronze, and painted options. Check specific finish availability for your project requirements and building specifications.
4) What power size is the LCN 4050A?
Verify the power size designation with manufacturer specifications. LCN uses numerical power ratings that correspond to door size and weight capacity. Match the closer power to your door requirements.
5) Does this closer meet ADA requirements?
Surface mount closers can meet ADA compliance when properly adjusted for opening force limits. Ensure closing and latching speeds meet accessibility standards. Verify local code requirements for your installation.
6) What mounting template should I use?
Use the LCN 4050A specific mounting template for proper installation. Templates ensure correct closer body and arm positioning. Download the current template from manufacturer documentation before drilling.
7) Can I install this on metal door frames?
Yes, the 4050A mounts to metal frames with appropriate fasteners. Use frame reinforcement if needed for proper attachment. Ensure adequate frame thickness and structural support for closer operation.
8) How do I adjust the closing speed?
LCN closers have adjustment valves for closing speed and latch speed control. Turn valves clockwise to decrease speed, counterclockwise to increase. Make small adjustments and test door operation between changes.
9) What accessories work with the 4050A?
LCN offers various arms, brackets, and accessories for different mounting configurations. Hold open arms and special duty arms are available. Verify compatibility with your specific closer model and application.
10) Are replacement parts available?
LCN provides replacement arms, covers, and adjustment components for field service. Order parts by closer model number and manufacturing date. Keep closer documentation for accurate parts identification.
11) What are similar LCN closer models?
Consider other LCN surface mount models in similar power ranges. Compare features like adjustability options and mounting requirements. Check our door closers section for LCN alternatives and specifications.
12) Will this work in high wind conditions?
Exterior installations may require wind load considerations and hold open restrictions. Verify closer power rating against expected wind conditions. Consider additional hardware or higher power models for severe weather applications.
How fast can I get the LCN 4050A-RWPA-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 4050A-RWPA-689 come with a warranty?
Absolutely. The LCN 4050A-RWPA-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 4050A-RWPA-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 4050A-RWPA-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.
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