Detex Advantex 20/21 Series Su...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3,357.00
$3,339.23
Detex Advantex 20/21 Series Surface Vertical Rod Exit Device with Key Locks/Unlocks Lever - Grade 1 Wide Stile

Detex Advantex 20/21 Series Surface Vertical Rod Exit Device with Key Locks/Unlocks Lever - Grade 1 Wide Stile

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Model: 2008D-628-36x84
$3,357.00
$3,339.23
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$3,357.00
$3,339.23
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Detex Advantex 20/21 Series Surface Vertical Rod Exit Device with Key Locks/Unlocks Lever - Grade 1 Wide Stile

Super-Heavy-Duty Panic and Fire Exit Hardware for Double Doors

The Detex Advantex 20/21 Series Surface Vertical Rod Exit Device delivers Grade 1 commercial-grade performance for double doors without a mullion. This wide stile device features a patented mounting plate and strike locator system for precise installation, stainless steel deadlocking top latch, and hardened steel bottom drop bolt with dust proof strike. Field reversible design with key locks/unlocks lever functionality provides versatile security control for demanding commercial applications.

Professional Features & Benefits

  • Grade 1 Commercial Rating: BHMA Grade 1 certification ensures maximum durability and performance for high-traffic commercial applications.
  • Wide Stile Compatibility: Designed specifically for wide stile door configurations providing secure vertical rod operation.
  • Patented Installation System: Mounting plate and strike locator system replaces paper templates for fastest and most accurate installation available.
  • Heavy-Duty Construction: Stainless steel deadlocking top latch and hardened steel bottom drop bolt provide exceptional durability in high-use, high-abuse environments.
  • Field Reversible Design: Handed device can be field reversed for flexible installation requirements without additional hardware.
  • Key Control Function: Key locks/unlocks lever operation provides controlled access while maintaining panic egress capability.
  • ADA Compliant Design: Includes ADA ramped bottom bolt cover for accessibility compliance in commercial installations.
  • Manufacturer Warranty: 10 Year Mechanical/3 year Electrical Limited Manufacturer's Warranty for added confidence and protection.

Technical Specifications

  • Commercial/Residential: Commercial
  • Grade: Grade 1
  • Product Category: Exit Devices and Trim
  • Product Function: Key Locks/Unlocks Lever
  • Product Group: Exit Devices and Trim
  • Product Model: 2008D/2108D
  • Product Subgroup: Exit Devices - Vertical Rod
  • Product Type: Exit Devices - Vertical Rod
  • Series: 20/21 Series
  • Stile: Wide
  • Stile Type: Wide Stile
  • Subcategory: Advantex Series
  • Warranty: 10 Year Mechanical/3 year Electrical Limited Manufacturer's Warranty

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
  6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose Detex Quality?

Detex Advantex Series exit devices deliver professional-grade reliability with stainless steel construction and hardened steel components rated for years of trouble-free service in high-use, high-abuse environments. 10 Year Mechanical/3 year Electrical Limited Manufacturer's Warranty provides comprehensive coverage for demanding commercial applications. Engineered with patented installation technology and field-reversible design where dependable performance and installation efficiency are essential.



Resources

Installation Instructions
Parts List
Door Templates

Product Specs

Subcategory:
Advantex Series
Series:
20/21 Series
Product Group:
Exit Devices and Trim
Product Subgroup:
Exit Devices - Vertical Rod
Product Type:
Exit Devices - Vertical Rod
Commercial/Residential:
Commercial
Warranty:
10 Year Mechanical/3 year Electrical Limited Manufacturer's Warranty
Grade:
Grade 1
Stile:
Wide
Stile Type:
Wide Stile
Product Model:
2008D/2108D
Product Function:
Key Locks/Unlocks Lever
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Detex 2008D-628-36x84 – Frequently Asked Questions

1) Will the Detex Advantex 2008D/2108D work on a pair of doors with no center mullion?
That's exactly what a surface vertical rod device is for. The 20/21 Series latches at the head and at the threshold instead of into a mullion, so a pair of doors can be secured with both leaves free to swing. The top latch is stainless steel deadlocking and the bottom is a hardened steel drop bolt with a dust proof strike. If your opening is a single door or a pair with a removable mullion, a rim device is the simpler choice.
2) Is the Detex 2008D/2108D handed, or can I reverse it in the field?
It ships handed but is field reversible, so you can flip it on site without extra parts. Handing is still a required selection when ordering, right hand reverse or left hand reverse, which are the two handings that apply to an outswing door carrying an exit device.
3) Can I get the Detex Advantex 20 Series as a top rod only device instead of top and bottom?
Yes. The vertical rod choice is top and bottom rod, or top rod only. Top rod only (commonly specified as less bottom rod) keeps the threshold clear, which helps where the floor is uneven, where carpet or a drain is in the way, or where a bottom strike would be a trip and maintenance problem. Order top and bottom where you want the extra bottom-bolt security.
4) Does Detex make the Advantex 2008D in a fire rated version, and can I get hurricane rating too?
Four rating options are built on the 20/21 Series: non-rated, fire rated, hurricane, and hurricane plus fire rated. Fire rated openings will not accept dogging, so pair the fire rated option with the less/no dogging choice. Hurricane rating is the one to specify for coastal openings that have to hold under wind-borne debris code.
5) Will the Detex Advantex 20/21 Series fit a narrow stile aluminum storefront door?
No. This is a wide stile device, so it needs the stile width of a hollow metal or wood door, or a wide-stile aluminum door. On a typical narrow stile aluminum storefront leaf the chassis will not land on the stile. For a narrow stile opening you need a device built for it, not this one.
6) Can I get the Detex Advantex 20 Series with delayed egress or an alarm built in?
Yes, four electrified options are factory-built into the 20/21 Series: EA hardwired electric alarm, EB electric alarm with battery, EX request-to-exit signal switch, and EE delayed egress. EB suits an opening with no power run to the door. EX gives your access control or alarm panel a dry signal that the push pad was used. EE holds the door for a delay on egress and is the one to coordinate with your fire alarm interface and local authority. Choose None for a straight mechanical device.
7) If the opening only needs egress and no outside key access, what vertical rod device should be used instead of the Detex 2008D/2108D?
Use an exit only device. The Imperial USA ED-VR531 is a Grade 1 wide stile surface vertical rod device in 36 inch, catalogued as exit only, and the Marks USA M9900VR is a 36 inch by 84 inch vertical rod panic device that is also exit only and non-handed. The Detex Advantex 2008D/2108D is a key locks/unlocks lever device, meaning it is built to carry outside lever trim with cylinder control, and it is ordered handed as right hand reverse or left hand reverse.
8) What is the closest Grade 1 wide stile surface vertical rod alternative to the Detex Advantex 2008D/2108D?
The Von Duprin 8827-3FT is the nearest match on the core specs: it is a wide stile surface vertical rod exit device carrying a Grade 1 rating, in a 3 ft width, and it is listed for 1-3/4 inch doors. The Detex Advantex 2008D/2108D is also Grade 1 and wide stile, and it comes in 36 inch and 48 inch widths. The difference to weigh is function: the Detex 2008D/2108D is a key locks/unlocks lever device, so it carries outside lever trim controlled by a cylinder, while the 8827-3FT is ordered as the device itself.
9) Which vertical rod exit devices are fire rated if the Detex Advantex 2008D/2108D does not fit the opening?
Two fire rated peers cover the same door type. The Delaney F9100 Series (DLY-694300) is a Grade 1 fire rated heavy duty vertical rod device for a 36 by 84 inch door in an aluminum finish, and the Marks USA M9900FVR is a fire rated vertical rod exit device for 36 by 84 inch openings, exit only and non-handed, with a 48 inch fire rated version also offered as the M9900F-VR. The Detex Advantex 2008D/2108D itself can be ordered fire rated, hurricane, hurricane and fire rated, or non-rated.
10) Can the Cal-Royal 9860 be used in place of the Detex Advantex 2008D/2108D?
Only where a Grade 2 exit only device satisfies the spec. The Cal-Royal 9860 is a heavy duty surface vertical rod exit device rated Grade 2, not fire rated, and its function is exit only. The Detex Advantex 2008D/2108D is Grade 1 and is a key locks/unlocks lever device, and it can be ordered fire rated. On a fire door or a job whose drawing calls for Grade 1 panic hardware with outside key control, the 9860 does not cover it.
11) What does the key locks/unlocks lever function on the Detex 2008D actually do?
Outside access is controlled by the cylinder: turning the key locks or unlocks the outside lever. When unlocked, the lever retracts the latch for normal traffic; when locked, the lever is dead and entry requires a key. Egress from inside is always free through the push pad, which is what makes it panic hardware regardless of the lock state.
12) Which dogging option should I order on the Detex 2008D for a school that props doors open during the day?
Three dogging choices are offered: hex dogging, cylinder dogging, and less/no dogging. Hex dogging is held down with an Allen key and is the low-cost choice for staff-only areas. Cylinder dogging uses a keyed cylinder, which is what most schools and other institutions specify so dogging is controlled by keyholders. Note that a fire rated opening has to be ordered less/no dogging.
13) Does the Detex 2008D meet the accessibility requirement for the bottom bolt at the threshold?
An ADA ramped bottom bolt cover is included, so the bottom rod hardware at the floor is ramped rather than a square obstruction in the path of travel.
14) How does the Detex Advantex 20/21 Series compare to a Von Duprin 8827 for a wide stile pair?
Both are Grade 1 wide stile surface vertical rod devices. The Von Duprin 8827-3FT we carry is a 3 foot device for 1-3/4 inch doors and is non-rated. The Detex 20/21 Series covers more ground on one platform: 36 or 48 inch widths, 84 to 120 inch door heights, non-rated or fire rated or hurricane rated, and factory electrified options including delayed egress. If you need a plain mechanical 3 foot device the 8827 is a direct peer; if you need rod length for a tall leaf, hurricane rating, or electrified functions, that is where the Detex covers it.
15) Do any of the vertical rod alternatives avoid having to specify handing like the Detex Advantex 2008D/2108D does?
Yes. The Marks USA M9900VR and the fire rated M9900FVR are both catalogued as non-handed, so one device covers either leaf. The Detex Advantex 2008D/2108D is ordered as right hand reverse or left hand reverse, though it is a field reversible design, so a handed unit can be converted on site without extra hardware.
16) What finishes can I get so the Detex exit devices match the rest of my building's hardware?
Ten finishes: 605 polished brass, 606 brushed brass, 611 polished bronze, 612 brushed bronze, 613 oil rubbed bronze, 628 brushed aluminum, 629 polished stainless, 630 brushed stainless, 693 black painted, and 695 dark bronze painted. For matching an existing fleet, 630 and 628 are the usual commercial defaults and 695 is the common match for dark bronze storefront.
17) Do I need paper templates to install the Detex Advantex 20 Series, or is the prep included?
Detex supplies a patented mounting plate and strike locator system with the device, which takes the place of a paper template for locating the chassis and strikes. Detex also publishes door prep templates, installation instructions, and a parts list for the Advantex 20/50 range if your shop preps doors ahead of delivery.
How fast can I get the Detex 2008D-628-36x84 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 Detex 2008D-628-36x84 come with a warranty?
Absolutely. The Detex 2008D-628-36x84 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 Detex 2008D-628-36x84?
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 Detex 2008D-628-36x84 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.
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