Von Duprin 5547WDC-F-4ft Fire ...
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$5,972.00
$5,517.99
Von Duprin 5547WDC-F-4ft Fire Rated Concealed Vertical Rod Exit Device for 4ft Narrow Stile Wood Doors, Less Dogging

Von Duprin 5547WDC-F-4ft Fire Rated Concealed Vertical Rod Exit Device for 4ft Narrow Stile Wood Doors, Less Dogging

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Model: 5547-WDC EO-F US26D-4
$5,972.00
$5,517.99
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$5,972.00
$5,517.99
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Von Duprin 5547WDC-F-4ft Fire Rated Concealed Vertical Rod Exit Device for 4ft Narrow Stile Wood Doors, Less Dogging

Classic Crossbar Design with Concealed Vertical Rod Technology for Narrow Stile Wood Door Applications

The Von Duprin 5547WDC-F-4ft is a fire rated concealed vertical rod exit device from the renowned 55 Series, engineered specifically for single or double wood doors with narrow stiles as narrow as 4" (102 mm). Sized at 48" for 4-foot door applications, this device carries ANSI/BHMA A156.3, 2008 Grade 1 certification and meets ANSI/UL 10C fire rating requirements, making it a trusted solution for commercial facilities requiring code-compliant egress hardware. The 55 Series is particularly well-suited for retro-inspired architecture and historical buildings where a classic crossbar aesthetic is desired alongside modern performance standards.

Professional Features & Benefits

  • Narrow Stile Compatibility: Designed to fit door stiles as narrow as 4" (102 mm), providing versatile installation options for wood doors where stile width is limited.
  • Product Size & Dimensions: Available in a 48" (4ft) length that is field sizeable for single and double door applications; case dimensions of 7-1/4" x 1-1/4" x 2-1/4" for both hinge stile and lock stile cases, with a product projection of 3-3/4".
  • Door Thickness & Fastener Compatibility: Accommodates 1-3/4" door thickness with included screw pack for 1-1/4" and 2-1/4" thick metal/wood doors, and a 1/2" latch throw for reliable latching performance.
  • Fire Rated Construction: Certified to ANSI/UL 10C and CAN/ULC-S104 fire rating standards, with fire rating designation applied via the “-F” suffix configuration, ensuring compliance in fire-rated door assemblies.
  • Grade 1 Certified Performance: ANSI/BHMA A156.3, 2008 Grade 1 certified and compliant with ANSI/UL 305 and CAN/ULC-S132, delivering the highest level of commercial exit device performance and reliability.
  • Field Reversible Handing: Door hand direction is field reversible, allowing flexible installation to accommodate left- or right-hand door configurations without special ordering.
  • Less Dogging Configuration: Supplied in a less dogging configuration, appropriate for fire-rated door assemblies where dogging is not permitted by code.
  • Versatile Device & Trim Options: Compatible with multiple device types including concealed vertical rods (47), surface-mounted vertical rods (27), and mortise locks (75). Supports trim functions including Classroom, Dummy, Exit Only, Passage, and Storeroom, with popular 990 pull trim available in five standard functions.
  • Optional Accessories & Electronic Upgrades: Supports optional E8875 electrified option for integration with access control, fire alarm, or remote switching systems; RX switch for door monitoring; and KN knurling on crossbars for tactile hazard warnings. Mullions, power transfers, and strikes also available.

Technical Specifications

  • Product Group: Exit Devices and Trim
  • Series: 55 Series
  • Grade: Grade 1
  • Fasteners: Screw pack for 1-1/4" and 2-1/4" thick medal/wood doors.
  • Product Subgroup: Exit Devices - Vertical Rod
  • Product Type: Exit Devices - Concealed Vertical Rod
  • Subcategory: Concealed Vertical Rod Exit Devices
  • Latch Throw: 1/2"
  • Commercial/Residential: Commercial
  • Stile Type: Narrow Stile
  • Door Hand Direction: Field Reversible
  • Door Thickness Range: 1-3/4"
  • Product Size: 48"
  • Dogging Configuration: Less Dogging
  • Product Dimension: 7-1/4" x 1-1/4" x 2-1/4" (Hinge Stile Case), 7-1/4" x 1-1/4" x 2-1/4" (Lock Stile Case)
  • Fire Rating: Yes
  • Product Projection: 3-3/4"
  • Product Style: Cross Bars
  • Product Category: Exit Devices and Trim
  • Department: Door Hardware

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities and Schools
  • Healthcare Institutions and Hospitals
  • Retail Establishments
  • Historical and Retro-Inspired Architecture
  • Government and Municipal Buildings
  • Multi-Tenant Residential and Mixed-Use Properties

Why Choose Von Duprin Quality?

Von Duprin concealed vertical rod exit devices are built to the highest commercial standards, with the 55 Series earning ANSI/BHMA A156.3, 2008 Grade 1 certification and compliance with ANSI/UL 10C, ANSI/UL 305, CAN/ULC-S104, and CAN/ULC-S132. The 5547WDC-F-4ft is engineered for demanding commercial applications where fire-rated egress performance, narrow stile compatibility, and classic crossbar aesthetics are all required. Backed by Von Duprin's reputation for professional-grade door hardware, this device delivers dependable, code-compliant performance in the most critical life-safety applications.

Manufacturer Resources

Von Duprin 98/99 Series Catalog

Product Specs

Product Group:
Exit Devices and Trim
Series:
55 Series
Grade:
Grade 1
Fasteners:
Screw pack for 1-1/4" and 2-1/4" thick medal/wood doors.
Product Subgroup:
Exit Devices - Vertical Rod
Product Type:
Exit Devices - Concealed Vertical Rod
Subcategory:
Concealed Vertical Rod Exit Devices
Latch Throw:
1/2"
Commercial/Residential:
Commercial
Stile Type:
Narrow Stile
Door Hand Direction:
Field Reversible
Door Thickness Range:
1-3/4"
Product Size:
48"
Dogging Configuration:
Less Dogging
Product Dimension:
7-1/4" x 1-1/4" x 2-1/4" (Hinge Stile Case), 7-1/4" x 1-1/4" x 2-1/4" (Lock Stile Case)
Fire Rating:
Yes
Product Projection:
3-3/4"
Product Style:
Cross Bars
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Von Duprin 5547-WDC EO-F US26D-4 – Frequently Asked Questions

1) Can I use the Von Duprin 5547WDC-F on a fire rated door assembly?
That is what it is for. The 55 Series 5547WDC-F carries the -F fire rated designation and meets ANSI/UL 10C and CAN/ULC-S104, along with ANSI/BHMA A156.3, 2008 Grade 1 and ANSI/UL 305 and CAN/ULC-S132 panic requirements. It ships less dogging, because holding a latch retracted is not permitted on a fire door.
2) What do I have to specify when ordering the Von Duprin 55 Series concealed vertical rod device?
Four choices beyond the size. Handing (LHR or RHR), crossbar type (standard, RCB reinforced, or KN knurled for tactile hazard warning), finish, and trim function. Trim functions run DT dummy, EO exit only, L lever, L-BE lever with blank escutcheon, NL night latch, NL-OP night latch with optional pull, TL thumb turn, and TL-BE thumb turn with blank escutcheon. If you pick a lever function you also choose the lever style: 06 (default), 03, 07, or 17. An RX request-to-exit switch can be added for door status monitoring.
3) Concealed vertical rod or surface vertical rod for a pair of wood doors?
A concealed vertical rod device like the 5547WDC-F runs the rods inside the door, so nothing shows on the face and there is no rod to get kicked or vandalized. The trade-off is the door has to be prepped for it, which effectively means ordering the doors bored for CVR or buying new leaves. Surface vertical rod (the 27 device in the same 55 Series) mounts the rods on the face of an existing door, so it retrofits without special door prep. Either way, vertical rod devices latch top and bottom, so a pair of doors is secured without a center mullion.
4) Is there another narrow stile concealed vertical rod device with a crossbar instead of a push pad?
The Corbin Russwin ED7800 is a Grade 1 narrow stile crossbar concealed vertical rod device for 1-3/4 inch doors, exit only or with operator trim, so it is the closest crossbar alternative to the Von Duprin 55 Series look. Corbin Russwin also lists the ED4800, a Grade 1 narrow stile CVR for 1-3/4 inch doors that accepts trim. If a push pad is acceptable, the Falcon 24-C and 1690EO are Grade 1 narrow stile CVR devices for 1-3/4 inch doors in exit only.
5) What should I use instead of the Von Duprin 5547WDC-F on a wide stile wood door?
The Von Duprin 5547WDC-F is a narrow stile device. For wide stile wood doors, the BEST Precision 2701 Series is a wide stile reversible concealed vertical rod device for wood doors, and the Corbin Russwin ED5800 is a Grade 1 wide stile concealed vertical rod device for 1-3/4 inch doors that accepts trim. The BEST Precision 2801 is another wide stile concealed vertical rod option.
6) The opening is a hollow metal door, not wood - is the Von Duprin 5547WDC-F still the right concealed vertical rod device?
The Von Duprin 5547WDC-F is engineered for narrow stile wood doors, and its screw pack covers 1-1/4 inch and 2-1/4 inch metal and wood doors. For hollow metal openings, the Adams Rite 3600 Series is a fire rated Grade 1 concealed vertical rod device for hollow metal doors, the 8500 Series is the non-fire-rated equivalent, and the Sargent MD8613F-LTRIM is a Grade 1 heavy duty device for metal doors at 36 by 84 inches with hex dogging.
7) Why does this exit device have no dogging, and can I add it later?
It is supplied less dogging because it is a fire rated device, and code does not allow mechanical dogging on a fire door assembly. If you need a push bar you can dog open during business hours, you need a non-fire-rated device instead. On a fire opening, use an electrified latch retraction or an approved hold-open closer arm rather than trying to defeat the latch.
8) Do I need to order left or right hand for the 5547WDC-F?
You pick LHR or RHR when ordering, but the hand is field reversible on the 55 Series, so the device can be flipped on site if the opening turns out to be the other way around. Exit devices are always called out reverse bevel (LHR/RHR) since the door swings out in the direction of egress.
9) Will a 48 inch exit device work on a 40 inch wide door?
Yes. The 48 inch (4 ft) 55 Series device is field sizeable, so it can be cut down to suit doors within the 4 ft range rather than requiring an exact door width match. Size the crossbar to the door leaf during install.
10) Can I tie the 5547WDC-F into an access control or fire alarm system?
Yes. The 55 Series supports the E8875 electrified option for access control, fire alarm, or remote switching, and an RX request-to-exit switch for monitoring when the bar is pushed. Both are ordered with the device. Power transfers, mullions, and strikes are available separately to complete an electrified opening.
11) My opening is not fire rated. Do I still need the -F version?
No. The -F designation is what makes the 5547WDC-F suitable for a fire door assembly, and it costs you dogging. On a non-rated opening you can use a non-rated CVR and keep dogging. Non-rated narrow stile options include the Adams Rite 8600 Series for aluminum doors and the DORMA 9600BB narrow stile push pad device, which covers 1-3/4 to 2-1/4 inch doors.
12) I need to match inactive leaves and matching pulls across a set of doors. What does the 55 Series offer?
For the inactive or non-latching leaf, order DT dummy trim so the hardware reads the same across the pair without operating anything. Exit only (EO) covers leaves that need no outside operation. For outside entry, choose lever, night latch, or thumb turn trim, and the 990 pull trim is offered in five standard functions if you want a pull rather than a lever. All of it can be ordered in the same finish across the building.
13) I only need exit-only egress with no outside trim - is there a simpler concealed vertical rod device than the Von Duprin 5547WDC-F?
Yes. The Von Duprin 5547WDC-F can be ordered in EO exit only form, but dedicated exit-only devices include the Falcon 1690EO for 3 ft narrow stile openings, the Falcon 1990EO at 44 inches, the Falcon 24-C at 36 inches, and the BEST Precision 2601, a non-handed narrow stile exit-only device. All the Falcon units are Grade 1 for 1-3/4 inch doors. The 5547WDC-F is the option when the opening is 48 inches and fire rated.
14) I need a dummy trim concealed vertical rod device for the inactive leaf - how does that compare to the Von Duprin 5547WDC-F?
The Von Duprin 5547WDC-F can be configured with DT dummy trim as one of its trim functions, alongside Exit Only, Lever, Night Latch and Thumb Turn. A dedicated alternative is the Falcon 1491DT, a narrow stile concealed vertical rod device in Dummy function with a 9970 pull at 42 inches, Grade 1 for 1-3/4 inch doors. The 5547WDC-F is 48 inches and fire rated.
15) Are the CRL Jackson 1085 and 1285 panic devices equivalent to the Von Duprin 5547WDC-F?
They are not direct equivalents. The CRL Jackson 1085 Series is a 48 inch non-handed concealed vertical rod panic device in Exit Only function for wide stile doors, and the 1285 is a push pad concealed vertical rod panic device that suits narrow, medium or wide stiles, also Exit Only. The Von Duprin 5547WDC-F matches the 48 inch size but is a crossbar device for narrow stile wood doors, field reversible, and takes lever, night latch and thumb turn trim in addition to exit only.
16) What finishes does the Von Duprin 55 Series crossbar device come in?
Eight: 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil rubbed bronze, 625 bright chrome, 626 satin chrome, 643E aged bronze, and 693 black. The oil rubbed bronze, aged bronze and brass options are why the 55 Series gets specified on historic and retro-styled buildings where a plain aluminum push pad would look wrong.
17) What fasteners come with the Von Duprin 5547WDC-F and will they suit my door?
A screw pack is included covering 1-1/4 inch and 2-1/4 inch thick metal and wood doors. The device itself is set up for 1-3/4 inch doors. Latch throw is 1/2 inch, which is standard for a vertical rod top latch engaging a head strike.
How fast can I get the Von Duprin 5547-WDC EO-F US26D-4 delivered?
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Can I return it if it doesn’t work for me?
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Does the Von Duprin 5547-WDC EO-F US26D-4 come with a warranty?
Absolutely. The Von Duprin 5547-WDC EO-F US26D-4 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 5547-WDC EO-F US26D-4?
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