Von Duprin 3547A-3ft Concealed...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3,983.00
$2,209.75
Von Duprin 3547A-3ft Concealed Vertical Rod Exit Device | 3 ft Smooth Case Narrow Stile, Grade 1

Von Duprin 3547A-3ft Concealed Vertical Rod Exit Device | 3 ft Smooth Case Narrow Stile, Grade 1

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Model: 3547AEO 3 US26D
$3,983.00
$2,209.75
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$3,983.00
$2,209.75
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Von Duprin 3547A-3ft Concealed Vertical Rod Exit Device | 3 ft Smooth Case Narrow Stile, Grade 1

Heavy-Duty Narrow Stile Concealed Vertical Rod Solution for Commercial and Institutional Applications

The Von Duprin 3547A-3ft is a 3-foot, smooth mechanism case, narrow stile concealed vertical rod exit device engineered for demanding commercial and institutional environments. Designed to fit door stiles as narrow as 2-1/8" (44 mm) for metal doors and as narrow as 4" (102 mm) for wood doors, this device accommodates a 36" door size and features a 3/4" latch throw with a door thickness range of 1-3/4". Certified to ANSI/BHMA A156.3 2014 Grade 1 standards and UL listed for panic exit hardware, the 3547A is non-handed (except when the SS signal switch option is used), making it highly versatile for single and double door applications. The device centerline is positioned at 39-13/16" from finished floor, and its one-piece center case cover provides a clean, architectural appearance suited to schools, hospitals, and government buildings.

Professional Features & Benefits

  • Narrow Stile Compatibility: Fits metal door stiles as narrow as 2-1/8" (44 mm) and wood door stiles as narrow as 4" (102 mm), enabling installation on a wide range of door configurations.
  • 36" Door Size Coverage: Designed for a 36" product size with a device centerline at 39-13/16" from finished floor, ensuring proper alignment and code-compliant placement.
  • Smooth Mechanism Case: The 3547A features a smooth mechanism case (as distinguished from the grooved case of the 3347A), providing a refined architectural appearance for upscale commercial environments.
  • ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3 2014 Grade 1 standards, ANSI/UL 10C (fire-rated configurations), ANSI/UL 305, CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132 for the highest level of industry-recognized performance.
  • Non-Handed Design: The concealed vertical rod device is non-handed except when the SS (signal switch) option is used, simplifying specification and reducing inventory requirements.
  • Hex Key Dogging Configuration: Equipped with hex key dogging for straightforward hold-open functionality in appropriate applications.
  • Retrofit and Upgrade Options: Compatible with CDSI/HDSI security dogging indicators, QEL electronic latch retraction, and electronic switches including Request to Exit (RX) and Latchbolt Monitoring (LX) for integration with access control systems.
  • AX and CX Upgrade Availability: Upgradeable to AX (ADA-certified, meeting 5 lb. force requirements per 2010 ADA Chapters 404.2.7 and 30934, and 2013 California Building Code Chapter 11B-309.4) or CX (CHEXIT delayed egress, meeting NFPA and IBC requirements with 15-second delay and nuisance alarm).
  • Comprehensive Fastener Inclusion: Includes 1-3/4" and 2-1/4" wood/metal door fasteners with SNB included for versatile installation.
  • Broad Trim and Function Compatibility: Compatible with 360 (lever/thumbpiece), 386 (pull trim), and 388 (optional pull trim) trim series, with functions including Classroom, Passage, Dummy, Exit Only, and Storeroom.

Technical Specifications

  • Product Group: Exit Devices and Trim
  • Series: 33 & 35 Series
  • Grade: Grade 1
  • Fasteners: Includes 1-3/4" and 2-1/4" wood/metal door fasteners, SNB included
  • Product Subgroup: Exit Devices - Vertical Rod
  • Subcategory: Concealed Vertical Rod Exit Devices
  • Latch Throw: 3/4"
  • Product Type: Exit Devices - Concealed Vertical Rod
  • Commercial/Residential: Commercial
  • Device Centerline from Finished Floor: 39-13/16"
  • Stile Type: Narrow Stile
  • MAP Policy: Yes
  • Door Hand Direction: Non-Handed
  • Door Thickness Range: 1-3/4"
  • Product Size: 36"
  • Dogging Configuration: Hex Key Dogging
  • Product Dimension: 8-3/16" x 1-9/16" x 2-13/32"
  • Fire Rating: No
  • Product Projection: 3-13/16"
  • Product Style: Push Pads
  • Product Category: Exit Devices and Trim
  • Department: Door Hardware

Professional Applications

  • Educational Facilities (Schools and Universities)
  • Healthcare Institutions (Hospitals and Medical Centers)
  • Government and Municipal Buildings
  • Commercial Office Buildings
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Retail Establishments

Why Choose Von Duprin Quality?

Von Duprin concealed vertical rod exit devices are engineered to the highest industry standards, with the 3547A-3ft certified to ANSI/BHMA A156.3 2014 Grade 1 and listed under ANSI/UL 305 and CAN/ULC-S132 for dependable panic exit performance. The smooth mechanism case, one-piece center case cover, and narrow stile design — accommodating stiles as narrow as 2-1/8" — reflect the precision construction demanded by institutional applications in schools, hospitals, and government facilities. With a broad ecosystem of retrofit kits, trim options, and upgrade paths including ADA-compliant AX and delayed egress CX configurations, Von Duprin delivers the flexibility and long-term value that commercial door hardware professionals rely on.

Manufacturer Resources

Von Duprin 88 Series Catalog

Product Specs

Product Group:
Exit Devices and Trim
Series:
33/35 Series
Grade:
Grade 1
Fasteners:
Includes 1-3/4" and 2-1/4" wood/metal door fasteners, SNB included
Product Subgroup:
Exit Devices - Vertical Rod
Subcategory:
Concealed Vertical Rod Exit Devices
Latch Throw:
3/4"
Product Type:
Exit Devices - Concealed Vertical Rod
Commercial/Residential:
Commercial
Device Centerline from Finished Floor:
39-13/16"
Stile Type:
Narrow Stile
MAP Policy:
Yes
Tags:
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Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/4"
Product Size:
36"
Dogging Configuration:
Hex Key Dogging
Product Dimension:
8-3/16" x 1-9/16" x 2-13/32"
Fire Rating:
No
Product Projection:
3-13/16"
Product Style:
Push Pads
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Von Duprin 3547AEO 3 US26D – Frequently Asked Questions

1) What door types work with the Von Duprin 3547A series exit device?
The 3547A series is designed for narrow stile aluminum doors, glass doors, and curtain wall applications. The 3-foot length covers doors up to 36 inches wide. Verify your door frame can accommodate the concealed vertical rod mechanism.
2) How do I determine the correct handing for this exit device?
Stand on the egress side (side you push to exit). If hinges are on your right, order right hand (RH). If hinges are on your left, order left hand (LH). The 3547A series requires specific handing during ordering.
3) What finishes are available for the Von Duprin 3547A series?
Standard finishes include aluminum, dark bronze, and satin stainless steel. Special finishes may be available with extended lead times. Verify finish availability with your specific model number when ordering.
4) What fire rating does this exit device provide?
The 3547A series typically provides 3-hour fire rating when properly installed with compatible door and frame systems. Verify the complete system rating with manufacturer documentation for your specific application.
5) Does this device meet ADA compliance requirements?
Yes, the Von Duprin 3547A series meets ADA requirements when properly installed. The device requires maximum 15 pounds operating force and provides single-motion egress. Verify your complete door system meets all accessibility standards.
6) What accessories are compatible with the 3547A series?
Compatible accessories include electric latch retraction, request-to-exit switches, cylinder dogging, and various trim options. Check our Von Duprin section for compatible accessories and trim pieces.
7) What are the basic installation requirements for this exit device?
Installation requires precise measurement and cutting of door and frame. The concealed design demands accurate template work. Use manufacturer templates for all cutouts. Professional installation recommended for concealed vertical rod devices.
8) How do I adjust the latch and deadbolt projection?
Adjust the vertical rods using the threaded adjusters typically located at rod ends. Turn clockwise to extend projection, counterclockwise to retract. Maintain proper latch engagement without over-compression of weatherstripping.
9) What is the difference between 3547A and other Von Duprin concealed vertical rod series?
The 3547A features a smooth case design optimized for narrow stile applications. Other series may offer different case styles, lengths, or specific performance features. Compare series specifications for your exact application needs.
10) Can this device be used on exterior doors?
Yes, the 3547A series is suitable for exterior applications when properly weatherized. Ensure adequate protection from direct weather exposure. Consider weather-resistant finishes and proper door/frame sealing for exterior installations.
11) What tools are needed for installation of the 3547A series?
Required tools include template set, drill with various bits, router, files, measuring tools, and torque wrench. Specialized cutting tools may be needed for aluminum frames. Use manufacturer-specified hardware and fasteners only.
12) How do I maintain proper operation of this concealed vertical rod device?
Regular maintenance includes lubricating pivot points, checking rod adjustment, and verifying latch engagement. Clean mechanism channels quarterly. Inspect for wear or damage during routine maintenance. Follow manufacturer lubrication specifications.
How fast can I get the Von Duprin 3547AEO 3 US26D 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 Von Duprin 3547AEO 3 US26D come with a warranty?
Absolutely. The Von Duprin 3547AEO 3 US26D 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 Von Duprin 3547AEO 3 US26D?
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 Von Duprin 3547AEO 3 US26D from ZenSupply?
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