Von Duprin 3347A Series - 4 ft...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3,108.00
$2,325.91
Von Duprin 3347A Series - 4 ft Smooth Case Narrow Stile Concealed Vertical Rod Exit Device

Von Duprin 3347A Series - 4 ft Smooth Case Narrow Stile Concealed Vertical Rod Exit Device

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Model: 3347AEO 4 US28
$3,108.00
$2,325.91
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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)

$3,108.00
$2,325.91
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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
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:
48"
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

Von Duprin 3347AEO 4 US28 – Frequently Asked Questions

1) What is the Von Duprin 3347A Series exit device designed for?
The 3347A Series is a concealed vertical rod exit device designed for narrow stile aluminum storefront doors. It provides secure egress control while maintaining a clean appearance with the vertical rods concealed within the door frame.
2) What door widths and weights are compatible with this device?
This device typically accommodates doors up to 4 feet wide. Always verify door weight capacity with manufacturer specifications and ensure proper door preparation. Check Von Duprin installation templates for exact compatibility requirements.
3) How do I determine the correct handing for installation?
Handing is determined from the secure side of the door. Right hand (RH) means hinges are on the right when viewed from the secure side. Left hand (LH) means hinges are on the left. Specify handing when ordering to ensure proper operation.
4) What finishes are available for the 3347A Series?
Von Duprin exit devices are available in multiple finishes including aluminum, dark bronze, and painted options. Verify specific finish availability for your model number. Choose finishes that match your door hardware and building aesthetic.
5) What grade rating does this exit device carry?
Von Duprin exit devices typically meet Grade 1 commercial requirements per ANSI/BHMA standards. This ensures heavy-duty performance suitable for high-traffic commercial applications. Verify specific grade ratings on your model's documentation.
6) Does this device meet fire and building code requirements?
Von Duprin exit devices are designed to meet IBC and life safety codes. Fire rating depends on door assembly and installation. Always verify local code requirements and consult with your authority having jurisdiction for specific applications.
7) What additional components might I need for installation?
You may need strikes, cylinders, pull handles, and door position switches depending on your application. Check the Von Duprin catalog for compatible accessories. Consider weatherstripping and threshold coordination for exterior doors.
8) What are the basic installation requirements?
Installation requires proper door preparation using Von Duprin templates. Door must be square and properly hung. Vertical rods require precise alignment with top and bottom strikes. Follow manufacturer installation instructions exactly for proper operation.
9) How do I maintain and adjust this exit device?
Regular maintenance includes cleaning pushpads and lubricating moving parts with manufacturer-approved lubricants. Check rod alignment and strike engagement periodically. Adjust latch projection and verify proper retraction during operation.
10) Are there similar Von Duprin models available?
Von Duprin offers various concealed vertical rod models in the 33 Series family. Models vary by door width capacity, case length, and special functions. Browse our Von Duprin collection for compatible alternatives.
11) What field conditions affect installation and operation?
Temperature extremes, humidity, and wind pressure can affect operation. Exterior applications require weather-resistant components and proper sealing. Ensure adequate clearances for thermal expansion and check operation under all expected field conditions.
12) What are the key measurements I need before ordering?
Measure door width, thickness, and height. Note stile width and glass line dimensions. Verify header and floor conditions for rod installation. Check for obstructions in the vertical rod path. Confirm door swing direction and handing requirements.
How fast can I get the Von Duprin 3347AEO 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 4 US28 come with a warranty?
Absolutely. The Von Duprin 3347AEO 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 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
Why buy the Von Duprin 3347AEO 4 US28 from ZenSupply?
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