Von Duprin 33A Series - 3 ft G...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2,092.00
$1,223.04

Von Duprin 33A Series - 3 ft Grooved Case Narrow Stile Rim Exit Device

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Model: 33AEO 3 US28
From the 33 series Collection
$2,092.00
$1,223.04
Selected Finish is
Selected Trim Function is
Selected Lever (For “L” Lever Trims Only) is
  • Von Duprin ADDER-VON-33A/35A-STRIKES=1439 Roller Strike (Default Strike) ADDER-VON-33A/35A-STRIKES=1439 Roller Strike (Default Strike)
  • Von Duprin ADDER-VON-33A/35A-STRIKES=299 Strike - Select for Hollow Metal and Wood Doors ADDER-VON-33A/35A-STRIKES=299 Strike - Select for Hollow Metal and Wood Doors

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

$2,092.00
$1,223.04
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Von Duprin 33A Series - 3 ft Grooved Case Narrow Stile Rim Exit Device

Von Duprin 33A and Von Duprin 35A for all types of single and double doors with mullion, UL listed for panic exit hardware. Devices are ANSI A156.3 – 2014 Grade 1. The 35A has a smooth mechanism case and the 33A has grooved case. The rim device is non-handed except when the SS (signal switch) option is used.

33A/35A fits door stiles as narrow as 1 3/4” (44mm). Newly designed device has a one piece center case cover.

33A/35A Series

The Von Duprin 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 Von Duprin 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.

Also knows as 

von duprin 33, von duprin 33a, von duprin 33a series, von duprin 33 exit device, von duprin 33 rim panic, von duprin series 33

Resources and Downloads

Manufacturer Resources

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 - Rim
Subcategory:
Rim Exit Devices
Latch Throw:
3/4"
Product Type:
Exit Devices - Rim
Commercial/Residential:
Commercial
Device Centerline from Finished Floor:
39-13/16"
Stile Type:
Narrow Stile
Wood Door Compatible:
No
MAP Policy:
Yes
Tags:
von duprin 33, von duprin 33a, von duprin 33a series, von duprin 33a nl op, von duprin 33 rim panic, 33a von duprin, von duprin 33 exit device, von duprin 33a eo, von duprin series 33, vonduprin 33
Product Model:
33A/35A-3'
Collection:
33 series
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

Parts & Accessories

    Von Duprin 33AEO 3 US28 – Frequently Asked Questions

    1) What door types is the Von Duprin 33A series compatible with?
    The 33A series fits narrow stile aluminum storefront doors and glass doors. It's designed for doors up to 48 inches wide with stile widths as narrow as 2 inches. Verify your door's structural capacity can handle the device weight.
    2) How do I determine the correct handing for this exit device?
    Stand on the egress side of the door. If hinges are on your right, order RHR (right hand reverse). If hinges are on your left, order LHR (left hand reverse). The 33A series is field-reversible for installation flexibility.
    3) What finish options are available for the 33A series?
    Standard finishes include aluminum clear anodized, dark bronze anodized, and painted options. Custom finishes may be available. Check with manufacturer specifications for your specific application requirements.
    4) What grade rating does this exit device carry?
    The Von Duprin 33A series typically carries Grade 1 certification for heavy-duty commercial applications. It meets ANSI/BHMA A156.3 standards for exit devices. Verify specific grade requirements with your local code official.
    5) Does this device meet fire door requirements?
    Yes, when properly installed with listed components, the 33A series can be used on fire-rated openings. Ensure all components including strikes and mounting hardware are from the same fire listing. Check the fire door label for specific requirements.
    6) What accessories are commonly needed with the 33A series?
    Common accessories include electric latch retraction (EL), request-to-exit switches, key cylinders, and weather seals. Mounting brackets and strikes are typically included. Consider Von Duprin accessories for complete system integration.
    7) How is the 33A series typically mounted?
    The device mounts to the door interior using through-bolts or machine screws into reinforcement. The strike mounts to the frame header. Follow manufacturer templates exactly. Reinforcement plates may be required for hollow metal doors.
    8) Can the pushbar be adjusted after installation?
    Yes, the pushbar height and projection can be adjusted within specified ranges. The device includes adjustment screws for fine-tuning. Make adjustments gradually and test operation after each change. Follow manufacturer adjustment procedures.
    9) What's the difference between 33A and other Von Duprin series?
    The 33A is specifically designed for narrow stile doors, while the 99 series fits standard commercial doors. The 22 series is for surface vertical rod applications. Each series has different mounting requirements and door compatibility.
    10) How do I maintain the 33A exit device?
    Clean the pushbar and housing regularly with mild detergent. Lubricate pivot points with light machine oil annually. Check for loose mounting hardware. Test the device monthly to ensure smooth operation and proper latching.
    11) What are the key measurements needed before ordering?
    Measure door width, thickness, and stile width. Note the backset from door edge to centerline of cylinder prep if keyed. Verify frame header depth for strike clearance. Check door weight capacity and hinge reinforcement.
    How fast can I get the Von Duprin 33AEO 3 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 33AEO 3 US28 come with a warranty?
    Absolutely. The Von Duprin 33AEO 3 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 33AEO 3 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 33AEO 3 US28 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.

    Product Reviews

    • 5
      33A Exit device

      Posted by Chris Richards on Sep 24th 2025

      Order arrived quickly. Perfect Replacement for the old discontinued 33 model