Von Duprin 3347A-F Series - Fi...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3,310.00
$2,184.60
Copy of Von Duprin 3347A-F Series - Fire Rated 3 ft Grooved Case Narrow Stile Concealed Vertical Rod Exit Device, Less Dogging

Von Duprin 3347A-F Series - Fire Rated 4 ft Grooved Case Narrow Stile Concealed Vertical Rod Exit Device, Less Dogging

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Model: 3347AEO-F 4 US28
$3,310.00
$2,184.60
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Selected Trim Function is
Selected Lever (For “L” Lever Trims Only) is

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

$3,310.00
$2,184.60
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3347A/3547A Concealed Vertical Rod Exit Device

3347A and 3547A for all types of single and double doors, UL listed for panic exit hardware. Devices are ANSI A156.3 – 2008 Grade 1. The 3547A has a smooth mechanism case and the 3347A has grooved case. The concealed vertical rod device is non-handed except when the SS (signal switch) option is used. See the product catalog for available outside trim and device functions.

3347A/3547A fits door stiles as narrow as 2-1/8" (44 mm), wood door stiles as narrow as 4" (102mm). Newly designed device has a one piece center case cover.

 

SERIES

The 33/35A Series devices are narrow stile heavy-duty push pads. Architectural design elements differ slightly between the 33A and the 35A.

The 35A Series device has a smooth mechanism case, while the 33A Series has a grooved mechanism case. The 33/35A Series have all been certified to the highest industry standards and are used in schools, hospitals and government buildings.

 

Features and Benefits

  • The breadth of available options allows for tailoring to any facility’s needs
  • Designed for high use and abuse in institutional applications like schools, hospitals and government facilities
  • A variety of field-configurable options available
  • Retrofit kits available to keep up with changing technology

 

Specifications

Specifications and certifications are specific to each configuration. See the 33A/35A Series catalogs for more information.

  • ANSI/BHMA A156.3 2014 Grade 1 certified
  • ANSI/UL 10C (fire-rated only)
  • ANSI/UL 305
  • CAN/ULC-S104 (fire-rated only)
  • CAN/ULC-S132

 

Device Type

The 33A/35A Series offers a solution for all/most single, double and double egress doors. All devices with Fire rated hardware can be identified with "-F" in their name and SKU.

  • No suffix: rim devices
  • 27: surface-mounted vertical rod
  • 47: concealed vertical rod (5/8” bottom bolt)
  • 48: concealed vertical rod (1-1/2” bottom bolt)
  • 49: concealed vertical cable
  • 50WDC: Wood Door Concealed Vertical Cable

 

FUNCTIONS & TRIM

A variety of functions and trim options are available, but only the standard options are listed below. Refer to the 33A/35A Series catalog for more information.

Functions

  • Classroom: the key locks and unlocks the lever or knob
  • Dummy: the rigid mechanical trim for pull operation
  • Exit only: no outside trim
  • Passage: the lever or knob is always active
  • Storeroom: the key retracts the latchbolt, the lever or knob is rigid

 

33A/35A Series popular trims

  • 360: lever or thumbpiece trim, 3 standard functions:
    • Classroom (L, T)
    • Passage (L-BE, T-BE)
    • Dummy (L-DT)
  • 386: pull trim, 2 standard functions:
    • Storeroom (NL)
    • Dummy (DT)
  • 388: optional pull trim, 1 standard function:
    • Storeroom (NL-OP)

 

Levers and Finishes

The 33A/35A Series offers many choices for levers and finishes. Refer to the 33A/35A Series catalog for more information.

 

OPTIONS

With the 33A/35A Series, devices can be retrofitted to keep up with evolving technology with various retrofit kits. Refer to the 33A/35A Series catalog for more information.

 

Retrofitting an existing device

  • CDSI/HDSI: security dogging indicators provide at-a-glance verification of the panic device status
  • QEL: electronic latch retraction with limited operational noise
  • Electronic switches: can be used as part of an access control system or in a standalone application
    • Request to exit (RX)
    • Latchbolt monitoring (LX)

 

Upgrading to a new device

  • AX: an accessible device that is certified to meet the 5 lb. force requirements for the 2010 American Disabilities Act (ADA) (Chapters 404.2.7 and 30934) and 2013 California Building Code (Chapter 11B-309.4)
  • CX: CHEXIT meets NFPA and IBC requirements for delayed egress; a standard device keeps doors secure for 15 seconds after a request to exit while a nuisance alarm sounds

 

Accessories

From mullions to powers transfers and strikes, the 33A/35A Series offers a range of accessories to meet the evolving needs of any facility. Refer to the 33A/35A Series catalog for more information.

 

Resources and Downloads

Manufacturer Resources

Product Specs

Category:
Exit Devices and Trim
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
Dimensions:
8-3/16" x 1-9/16" x 2-13/32"
Product Subgroup:
Exit Devices - Vertical Rod
Subcategory:
Concealed Vertical Rod Exit Devices
Projection:
3-13/16"
Latch Throw:
3/4"
Product Type:
Exit Devices - Concealed Vertical Rod
Commercial/Residential:
Commercial
Device Centerline from Finished Floor:
39-13/16"
Style:
Push Pads
Stile Type:
Narrow Stile
Fire Rated:
Yes
MAP Policy:
Yes
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/4"
Product Size:
48"

Von Duprin 3347AEO-F 4 US28 – Frequently Asked Questions

1) What is the Von Duprin 3347A F-Series exit device designed for?
The 3347A is a fire-rated concealed vertical rod exit device for narrow stile doors. It provides code-compliant egress while maintaining the door's appearance with concealed vertical rods.
2) What door types and sizes work with the 3347A?
Compatible with narrow stile doors up to 4 feet wide. Designed for aluminum storefront and curtain wall applications. Verify door weight capacity and frame preparation requirements before installation.
3) How do you determine proper door handing for this device?
Handing is determined from the egress side of the door. Right hand has hinges on right, left hand has hinges on left. The 3347A can be field adjusted for most handing configurations.
4) What finishes are available for the F-Series 3347A?
Standard finishes include aluminum, dark bronze, and black. Custom finishes may be available through special order. Consult Von Duprin specifications for complete finish options.
5) What grade rating does this exit device carry?
The 3347A F-Series carries Grade 1 certification per ANSI/BHMA standards. It meets heavy-duty commercial application requirements and provides reliable long-term performance.
6) Which building codes does the 3347A satisfy?
Fire-rated for use in fire door assemblies. Meets IBC, NFPA 101, and ADA accessibility requirements. UL listed for fire door applications. Verify local code requirements with your AHJ.
7) What trim and accessories work with the 3347A?
Compatible with Von Duprin rim cylinder pulls, lever trim, and key override cylinders. Electrical latch retraction options available. Check our Von Duprin section for compatible accessories.
8) What are the basic installation requirements?
Requires precise door preparation and frame coordination. Use manufacturer templates for drilling. Professional installation recommended due to fire rating requirements and narrow stile complexity.
9) How do you maintain and adjust the 3347A device?
Regular cleaning of push pad and lubrication of moving parts extends life. Vertical rod tension is field adjustable. Monitor latch engagement and strike alignment during routine maintenance.
10) What other F-Series models are available?
The F-Series includes surface vertical rod, concealed vertical rod, and mortise versions. Browse our complete exit device collection for similar models and configurations.
11) Can this device be used in high-traffic locations?
Yes, the Grade 1 rating makes it suitable for high-frequency use. The concealed vertical rod design reduces wear points. Consider electric latch retraction for heavy traffic applications.
12) What field conditions affect 3347A performance?
Door alignment is critical for proper vertical rod engagement. Temperature changes can affect narrow stile door fit. Ensure adequate clearances and proper weathersealing to prevent binding.
How fast can I get the Von Duprin 3347AEO-F 4 US28 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 3347AEO-F 4 US28 come with a warranty?
Absolutely. The Von Duprin 3347AEO-F 4 US28 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 3347AEO-F 4 US28?
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
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