LCN 4031 Heavy-Duty Surface-Mo...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,201.00
$745.73
LCN 4031 Heavy-Duty Surface-Mounted Door Closer with Plated Finish

LCN 4031 Heavy-Duty Surface-Mounted Door Closer with Plated Finish

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Model: 4031-RW/PA-652
Selected Finish is

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

$1,201.00
$745.73
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LCN 4031 Heavy-Duty Surface-Mounted Door Closer with Plated Finish

Professional Grade 1 Door Closer Solution

The LCN 4031 Heavy-Duty Surface-Mounted Door Closer delivers professional-grade performance for moderate traffic commercial applications. This universal closer features a high-strength cast iron cylinder with 1-1/8" diameter piston, forged steel arm construction, and meets ANSI/BHMA A156.4 Grade 1 standards while satisfying ADA reduced opening force requirements. The plated finish option provides enhanced aesthetics for cover, arm and fasteners.

Professional Features & Benefits

  • Door Size Compatibility: Sized cylinders accommodate interior doors to 5'0" and exterior doors to 4'0" with non-sized adjustable cylinder for interior doors to 4'0" and exterior doors to 3'0".
  • Heavy-Duty Construction: Cast iron cylinder with full-complement bearing and forged steel main arm provide exceptional durability for commercial applications.
  • Grade 1 Performance: ANSI/BHMA A156.4 Grade 1 certification ensures reliable operation in demanding commercial environments.
  • Universal Installation: Non-handed design mounts hinge pull side, push side top jamb, and push side parallel arm on left- or right-swinging doors.
  • All-Weather Reliability: All-weather fluid maintains consistent performance across temperature variations for interior and exterior applications.
  • Adjustable Spring Power: Spring sizes 1-4 provide flexible adjustment for various door weights and application requirements.
  • Enhanced Aesthetics: Optional plated finish available on metal cover, arm and fasteners for premium appearance in visible installations.
  • Manufacturer Warranty: 30-year limited warranty provides long-term confidence and protection for commercial installations.

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 iron cylinder construction and forged steel components rated to ANSI/BHMA A156.4 Grade 1 standards. The 30-year limited warranty demonstrates LCN's commitment to long-term performance. Engineered for demanding commercial applications where dependable door control and ADA compliance are essential.

Product Documentation & Resources

Product Specs

Series:
4030 Series
Duty Level:
Heavy Duty
ADA Compliant:
Yes
BAA Qualified:
Yes
Mounting Hole Pattern:
1-23/32" x 6-17/64"
Warranty:
30 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:
Surface Mounted Closers
Product Group:
Door Controls
Product Subgroup:
Door Closers - Surface Mounted
Product Type:
Surface Mounted Door Closers
Finish Type:
Plated
Fluid Type:
All-Weather
Commercial/Residential:
Commercial
MAP Policy:
Yes
Closer Size:
2
Closer Size:
3
Closer Size:
4
Mounting Location:
Push Side
Product Model:
4031
Cover Type:
Metal
Delay Function:
No
Mounting Method:
Surface Mount
Product Category:
Door Controls
Product Substrate:
Iron
Department:
Door Hardware

LCN 4031-RW/PA-652 – Frequently Asked Questions

1) What doors is the LCN 4031 surface mounted door closer designed for?
The LCN 4031 handles medium to heavy duty commercial doors. It works on doors up to 4 feet wide and weights up to 160 pounds. Verify your door dimensions and weight before installation.
2) Is the LCN 4031 compatible with fire rated door assemblies?
Yes, the LCN 4031 is UL listed for use on fire rated doors when installed per manufacturer specifications. Check your local fire marshal requirements and use approved installation templates.
3) Can this door closer be installed on both left and right hand doors?
Yes, the LCN 4031 is field reversible for both left and right hand doors. The closer body can be mounted on either the pull side or push side depending on your application needs.
4) What finish options are available for the LCN 4031?
This model features a plated finish standard. LCN offers additional finishes including aluminum, bronze, and painted options. Contact us to verify availability for specific finish requirements.
5) What power size rating does the LCN 4031 provide?
The LCN 4031 is a Size 4 door closer per ANSI/BHMA standards. This provides adequate closing force for doors in high traffic commercial applications with moderate wind load conditions.
6) Does this closer meet ADA accessibility requirements?
The LCN 4031 can be adjusted to meet ADA opening force requirements of 5 pounds maximum. Use the adjustment valves to reduce closing speed and opening force as needed for compliance.
7) What accessories are available for the LCN 4031?
Common accessories include hold open arms, special brackets for narrow stile doors, and cylinder guards. Check our door closer accessories section for compatible options.
8) How is the LCN 4031 mounted to the door and frame?
Surface mounting uses the manufacturer template for precise hole placement. The closer body mounts to the door with four screws. The arm connects to a bracket on the frame. Follow LCN installation instructions exactly.
9) How do you adjust the closing speed on the LCN 4031?
The LCN 4031 has separate adjustment valves for sweep speed and latch speed. Turn clockwise to decrease speed, counterclockwise to increase. Make small adjustments and test door operation after each change.
10) What other LCN closers are similar to the 4031?
The LCN 4030 series offers similar performance with different arm configurations. The LCN 4040XP provides extra heavy duty operation for larger doors. Browse our LCN door closer selection for alternatives.
11) Can the LCN 4031 handle doors exposed to weather conditions?
The LCN 4031 works in normal exterior conditions but may need adjustment for extreme weather. High wind loads or temperature swings can affect performance. Consider upgrading to heavy duty models for severe exposure.
12) What are the key dimensions for the LCN 4031 door closer?
The closer body measures approximately 12 inches long. Allow clearance for the arm swing and operation. Refer to the manufacturer template for exact mounting dimensions and door preparation requirements.
How fast can I get the LCN 4031-RW/PA-652 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 4031-RW/PA-652 come with a warranty?
Absolutely. The LCN 4031-RW/PA-652 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 4031-RW/PA-652?
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 4031-RW/PA-652 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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