Von Duprin 9847WDC-F-4ft Fire ...
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Von Duprin 9847WDC-F-4ft Fire Rated Concealed Vertical Rod Exit Device for Wood Doors, Wide Stile, 48", Less Dogging

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Model: 9847WDC EO-F 4 US26D
$4,332.10
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Von Duprin 9847WDC-F-4ft Fire Rated Concealed Vertical Rod Exit Device for Wood Doors, Wide Stile, 48", Less Dogging

Heavy-Duty Fire-Rated Concealed Vertical Rod Exit Hardware for Institutional Wood Door Applications

The Von Duprin 9847WDC-F-4ft is a fire-rated concealed vertical rod exit device engineered specifically for wood doors, featuring a smooth mechanism case and wide stile push pad design at 48" in length. Certified to ANSI/BHMA A156.3 2014 Grade 1 and UL listed under ANSI/UL 10C for fire exit hardware, this device delivers the highest level of industry-standard performance. Designed for demanding institutional environments including schools, hospitals, and government buildings, the 9847WDC-F-4ft accommodates 1-3/4" thick doors and includes a 3/4" latch throw with a center case measuring 8" x 2-3/4" x 2-3/8". The device is non-handed, offering installation flexibility, and ships with fasteners included for wood or metal doors 1-3/4" and 2-1/4" thick.

Professional Features & Benefits

  • Fire-Rated Certification: Certified to ANSI/BHMA A156.3 2014 Grade 1 and UL listed under ANSI/UL 10C for fire exit hardware, ensuring full compliance with fire egress requirements in institutional and commercial applications.
  • Additional Standards Compliance: Also certified to ANSI/UL 305, CAN/ULC-S104 (fire-rated), and CAN/ULC-S132, providing broad multi-standard compliance for diverse project specifications.
  • Wood Door Concealed Vertical Rod Design (47WDC): The WDC configuration is purpose-built for wood door applications, providing a concealed vertical rod mechanism that maintains door aesthetics while delivering reliable top and bottom latching.
  • Wide Stile Push Pad Construction: Heavy-duty wide stile push pad design built for high-use and high-abuse institutional environments, with a smooth mechanism case (98 Series) for a refined architectural appearance.
  • 48" Product Size with Precise Dimensions: 48" overall device length with a center case of 8" x 2-3/4" x 2-3/8", a 3/4" latch throw, and a product projection of 3-13/16" for accurate door preparation and specification.
  • Non-Handed Installation: The 9847WDC-F is non-handed (except when the SS signal switch option is used), simplifying inventory management and installation across varied door configurations.
  • Field-Configurable Options & Retrofit Kits: A broad range of field-configurable options and retrofit kits are available, including CDSI/HDSI security dogging indicators, QEL electronic latch retraction, and electronic switches (Request to Exit RX, Latchbolt Monitoring LX) to keep pace with evolving technology.
  • Upgrade Options Available: Compatible with AX (ADA-certified, meets 5 lb. force requirements per 2010 ADA Chapters 404.2.7 and 30934 and 2013 California Building Code Chapter 11B-309.4), CX (CHEXIT delayed egress, meets NFPA and IBC requirements with 15-second delay), and XP (patented 2-piece latchbolt design) upgrade configurations.
  • Included Fasteners: Ships with fasteners included for wood or metal doors 1-3/4" and 2-1/4" thick, reducing installation preparation time.
  • Less Dogging Configuration: Supplied in a less dogging configuration, appropriate for fire-rated door applications where dogging is not permitted by code.

Technical Specifications

  • Series: 98 & 99 Series
  • Grade: Grade 1
  • Fasteners: Included for wood or metal doors 1-3/4" and 2-1/4" thick
  • Product Group: Exit Devices and Trim
  • Product Subgroup: Exit Devices - Vertical Rod
  • Product Type: Exit Devices - Concealed Vertical Rod
  • Subcategory: Concealed Vertical Rod Exit Devices
  • Latch Throw: 3/4"
  • Commercial/Residential: Commercial
  • Stile Type: Wide Stile
  • Center Case Dimensions: 8" x 2-3/4" x 2-3/8"
  • MAP Policy: Yes
  • Product Model: 9847WDC-F-4ft
  • Door Hand Direction: Non-Handed
  • Door Thickness Range: 1-3/4"
  • Product Size: 48"
  • Dogging Configuration: Less Dogging
  • Fire Rating: Yes
  • Product Projection: 3-13/16"
  • Product Style: Push Pads
  • Product Category: Exit Devices and Trim
  • Department: Door Hardware

Professional Applications

  • Educational Facilities and Schools
  • Healthcare Institutions and Hospitals
  • Government and Municipal Buildings
  • Commercial Office Buildings
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Institutional Facilities Requiring Fire-Rated Egress Compliance

Delayed Egress Compliance

The 9847WDC-F-4ft is compatible with the CX (CHEXIT) upgrade option, which meets NFPA and IBC requirements for delayed egress. When configured with CHEXIT, a standard device keeps doors secure for 15 seconds after a request to exit while a nuisance alarm sounds, providing code-compliant delayed egress functionality for applicable institutional applications.

Why Choose Von Duprin Quality?

Von Duprin concealed vertical rod exit devices are engineered to the highest industry standards, with the 98/99 Series certified to ANSI/BHMA A156.3 2014 Grade 1 and UL listed under ANSI/UL 10C, ANSI/UL 305, CAN/ULC-S104, and CAN/ULC-S132 for comprehensive compliance. The 9847WDC-F-4ft features a heavy-duty wide stile push pad construction with precise dimensional specifications—including a 48" device length, 8" x 2-3/4" x 2-3/8" center case, and 3/4" latch throw—purpose-built for demanding institutional environments. Engineered for schools, hospitals, and government facilities where dependable fire-rated egress performance is essential, Von Duprin delivers trusted commercial-grade reliability.

Manufacturer Resources

Product Specs

Series:
98 & 99 Series
Grade:
Grade 1
Fasteners:
Included for wood or metal doors 1-3/4" and 2-1/4" thick
Product Group:
Exit Devices and Trim
Product Subgroup:
Exit Devices - Vertical Rod
Product Type:
Exit Devices - Concealed Vertical Rod
Subcategory:
Concealed Vertical Rod Exit Devices
Latch Throw:
3/4"
Commercial/Residential:
Commercial
Stile Type:
Wide Stile
Center Case Dimensions:
8" x 2-3/4" x 2-3/8"
MAP Policy:
Yes
Product Model:
9847WDC-F-4ft
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/4"
Product Size:
48"
Dogging Configuration:
Less Dogging
Fire Rating:
Yes
Product Projection:
3-13/16"
Product Style:
Push Pads
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Von Duprin 9847WDC EO-F 4 US26D – Frequently Asked Questions

1) Can I use this exit device on a fire rated door opening?
Yes. The 9847WDC-F is fire exit hardware, certified to ANSI/BHMA A156.3 2014 Grade 1 and UL listed under ANSI/UL 10C, plus ANSI/UL 305, CAN/ULC-S104 and CAN/ULC-S132. It is supplied less dogging, which is what fire rated openings require since the latches must never be held retracted.
2) Why is there no dogging on the 9847WDC-F, and can I add it later?
Less dogging is the correct build for fire rated hardware, where code does not allow the push pad to be dogged down and the latches held back. If you need a push-and-hold open condition on a non-fire opening, use a non-fire CVR such as the Adams Rite 8500 Series or the DORMA 9100 Series wide stile pushpad. For electrified hold-back on this device, the QEL quiet electric latch retraction and EL options are the route, not mechanical dogging.
3) Will the 9847WDC-F push pad clear a wide stile wood door rail?
It is a wide stile push pad device, so it needs a wide stile leaf, typical of wood and hollow metal doors. The center case measures 8 x 2-3/4 x 2-3/8 inches and the device projects 3-13/16 inches off the door face, which is the number to check against pulls, walls, and adjacent doors in a vestibule. For an aluminum narrow stile opening, the Adams Rite 8600 Series or Corbin Russwin ED4800 are the narrow stile CVRs.
4) What latch throw does this have and will it work with my existing top and bottom strikes?
Latch throw is 3/4 inch at both the top and bottom latch. Concealed vertical rod hardware latches into a head strike and a floor or threshold strike, so the prep has to match Von Duprin's 47WDC strike locations; existing strikes from another brand's CVR rarely line up. Plan on setting new strikes with the device.
5) Can I use this on a pair of doors without a mullion?
Yes. Because it latches at the head and at the floor rather than into a strike on the jamb, a concealed vertical rod device secures a pair of doors with no center mullion and keeps the opening clear for carts and gurneys. That is the main reason to pick CVR over a rim device with a removable mullion.
6) Does this Von Duprin device meet the 5 pound ADA opening force requirement?
Only if you order the AX accessible option. The AX configuration is ADA certified to the 5 lb force requirement per 2010 ADA chapters 404.2.7 and 30934 and 2013 California Building Code chapter 11B-309.4. AX is a selection made at order time on the 9847WDC-F, not something added in the field.
7) What electrical options are available if I need access control or monitoring on this exit device?
Switch choices include RX request to exit, LX latchbolt monitor, LX-RX combination, WP-RX waterproof RX, RX-LC low current, RX-2 double RX, SS signal switch, and ALK alarm kits (ALK, RX-ALK, LXRX-ALK). For remote unlocking, specify EL, QEL quiet electric latch retraction, or PN pneumatic retraction. CX CHEXIT delayed egress is also available and holds the door 15 seconds after a request to exit while a nuisance alarm sounds. Specify these with the device; they are order-time configurations.
8) Which concealed vertical rod exit devices are made for wood doors rather than metal?
The Von Duprin 9847WDC-F-4ft uses the WDC wood door concealed vertical rod configuration and ships with fasteners for wood or metal doors 1-3/4 inch and 2-1/4 inch thick. Among other lines, the BEST Precision 2701 Series is a wide stile reversible concealed vertical rod device for wood doors. By contrast, the Adams Rite 3600 and 8500 Series are described for hollow metal doors and the Sargent MD8613F is for metal doors 36 inch by 84 inch, so those are the wrong family for a wood leaf.
9) What is the closest fire-rated wide stile concealed vertical rod alternative to the Von Duprin 9847WDC-F if the wood door opening needs a different manufacturer?
The Von Duprin 9847WDC-F-4ft is a Grade 1 fire-rated concealed vertical rod device with a wide stile push pad. For a fire-rated wide stile concealed vertical rod from another maker, the Adams Rite 3600 Series is fire rated and Grade 1 in wide stile, and the Adams Rite 3900 Series is a fire-rated Grade 1 wide stile device carrying a 1-1/2 hour rating. The Adams Rite 3600 is described for hollow metal doors, while the 9847WDC is built around the WDC wood door concealed rod configuration, so confirm the door material on the drawing before swapping.
10) If the opening is a narrow stile aluminum or glass door, what should be used instead of the 9847WDC-F?
The Von Duprin 9847WDC-F-4ft is a wide stile device, so it does not suit a narrow stile leaf. Narrow stile concealed vertical rod options include the Adams Rite 8600 Series for aluminum doors, the Corbin Russwin ED4800 in Grade 1 narrow stile, the Dormakaba DORMA 9600BB narrow stile pushpad in Grade 1, and the Falcon 1690EO and 1990EO narrow stile exit only devices. Note that the Adams Rite 8600, DORMA 9600BB, and Adams Rite 8500 are listed as not fire rated, so they cannot take the place of a fire-rated device on a rated opening.
11) Do I have to specify a hand for this Von Duprin concealed vertical rod device?
The device itself is non-handed, except when the SS signal switch option is specified. You still pick RHR or LHR on the order because trim and switch orientation follow the door, but the chassis is not hand-specific, which makes stocking a building easier.
12) What trim options can I order with the 9847WDC-F, and can I get a classroom style lever?
Trim runs from exit only and dummy trim through night latch, knob and lever sets, including L (lever), L-NL lever night latch, L-KC lever key capture, L-BE lever with blank escutcheon, NL and NL-OP night latch with optional pull, thumbturn and thumbpiece versions. Lever style is a separate choice: 01, 02, 03, 05, 06, 07, 17 or 18 lever.
13) Can I get a knurled or braille push bar for a hazardous door?
Yes. Bar options on the 9847WDC-F are standard bar, KN knurled bar (the tactile warning bar for doors leading to a hazardous area), BR braille pushbar, SG safety glow pushbar, and RSS emergency exit push bar. Pick one at order time, it is not a field swap.
14) What is the difference between the 98 and 99 Series look on this device?
Both belong to the same Von Duprin 98/99 family with identical performance. The 9847WDC-F carries the 98 Series smooth mechanism case, a flat architectural cover. The 99 equivalent uses the grooved case. Function, Grade 1 rating and prep are the same, so it is purely a question of matching the appearance of existing devices in the building.
15) How does the Von Duprin 9847WDC-F compare with the Sargent 8600 Series concealed vertical rod for a classroom door?
The Von Duprin 9847WDC-F-4ft is a Grade 1 fire-rated wide stile concealed vertical rod device offered with lever, knob and night latch trim functions, non-handed except when the SS signal switch is specified. The Sargent 12-MD8613 is also Grade 1, fire rated and wide stile, and is supplied in a classroom function. If the specification calls out classroom function by name, the Sargent is the direct match; if the classroom behavior is being built from trim selection, the 9847WDC-F trim range covers lever and key capture options.
16) Will a concealed vertical rod device rated for thicker doors work where the 9847WDC-F is specified at 1-3/4 inch?
The Von Duprin 9847WDC-F-4ft is specified for 1-3/4 inch door thickness and ships with fasteners for wood or metal doors 1-3/4 inch and 2-1/4 inch thick. If the leaf is thicker than 1-3/4 inch, the Dormakaba DORMA 9100 wide stile pushpad and DORMA 9600BB are both listed for 1-3/4 inch to 2-1/4 inch doors, but both are listed as not fire rated, so they do not serve a rated opening. Corbin Russwin ED5800 and ED4800 are listed at 1-3/4 inch, the same as the 9847WDC-F.
17) If only exit-only egress is needed and no lever or knob trim, what is a simpler alternative to the 9847WDC-F?
The Von Duprin 9847WDC-F-4ft covers a wide range of trim functions, from EO exit only through lever, knob, night latch, thumbturn and thumbpiece variations. If the door never needs outside operation, exit-only concealed vertical rod devices include the CRL Jackson 1085 Series at 48 inches, non-handed and exit only in wide stile, the BEST Precision 2601 Series exit only non-handed narrow stile, and the Falcon 24-C Series Grade 1 exit only at 36 inches narrow stile. Confirm the fire rating requirement for the opening separately, since the 9847WDC-F is a fire-rated device.
18) Are there wide stile concealed vertical rod alternatives to the 9847WDC-F that accept outside trim?
Yes. The Von Duprin 9847WDC-F-4ft is offered across lever, knob, thumbturn, thumbpiece and night latch trim functions in twelve finishes from 605 Bright Brass through 711 Flat Black. For other wide stile concealed vertical rod devices that accept trim, the Corbin Russwin ED5800 is Grade 1 wide stile listed as exit only or accepts trim for 1-3/4 inch doors, and the BEST Precision 2801 Series is a wide stile concealed vertical rod device. The Corbin Russwin ED7800 is a comparable that uses a crossbar in narrow stile rather than a push pad, which is a different look on the door.
19) I need matching inactive leaf hardware next to a 9847WDC-F device. Is a dummy trim device a substitute?
No. The Von Duprin 9847WDC-F-4ft is a functioning fire-rated concealed vertical rod device with a 3/4 inch latch throw, though it does offer a DT dummy trim function for the inactive leaf appearance. A dedicated dummy device such as the Falcon 1491DT, a narrow stile concealed vertical rod dummy trim with a 9970 pull at 42 inches, provides appearance only and does not latch, so it cannot be used where egress hardware is required.
20) For a 48 inch wide door, which concealed vertical rod devices come in that length besides the Von Duprin 9847WDC-F-4ft?
The Von Duprin 9847WDC-F-4ft is a 48 inch device with a 3-13/16 inch projection and an 8 inch by 2-3/4 inch by 2-3/8 inch center case. The CRL Jackson 1085 Series is also offered as a 48 inch non-handed concealed vertical rod panic device in wide stile, exit only. The CRL Jackson 1285 push pad concealed vertical rod is offered for narrow, medium or wide stile, also exit only. Both are exit only, so neither covers openings that need outside trim.
21) What finishes does the 9847WDC-F come in for matching the rest of a building?
Twelve finishes: 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil rubbed bronze, 619 satin nickel, 625 bright chrome, 626 satin chrome, 628 aluminum, 630 satin stainless, 643E aged bronze, 710 dark bronze anodized and 711 flat black. For institutional corridors, 630 and 626 are the usual specs.
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Does the Von Duprin 9847WDC EO-F 4 US26D come with a warranty?
Absolutely. The Von Duprin 9847WDC EO-F 4 US26D is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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