The 8900 Series Surface Concealed Vertical Rod Exit Device is designed for wood applications that require a life-safety exit device with concealed vertical top rod and surface concealed actuator single-point latching in header.
The 3900 Series Fire-Rated Surface Concealed Vertical Rod Exit Device is designed for wood applications that require a fire-rated exit device with concealed vertical top rod and surface concealed actuator single-point latching in header.
Designed for use in applications with single doors or pairs of doors.
| Model | Type | Rating | Door Construction | Max Size Single Doors | Max Size Pairs & Double Egress |
| 3900 | CVR-TRO | 1-1/2 hr | Wood | 4'0" x 9'0" | 8'0" x 9'0" |
UL 305 Panic Hardware
ANSI/BHMA A156.3, Grade 1
3900 Only: UL 10C fire-rated, up to 1-1/2 hours
CAN/ULC S104 fire door conformant
NFPA 252 fire door conformant
Materials: Push bar made of extruded aluminum, cladded or anodized in a variety of finishes.
Handing: Device is non-handed.
Push bar Length: Standard sizes: dimensioned for 30" [762.0mm], 36" [914.4 mm], 42" [1,066.8 mm], and 48"[1,219.2 mm] openings. Standard width bars can be field cut to the next smallest opening width.
Bar Height: Standard model adjusts from30" [762 mm] to 44" [1117.6 mm].
Door Height: Standard configuration suitable for doors up to 66" [1,676.4 mm] above the selected bar height. For doors over 66" [1,676.4 mm] above bar height, up to 10' [3.05 m] use 3955-01 Tall Door Kit available separately.
Door Thickness: Suits 1-3/4" [44.5 mm] standard.
Projection: 2-5/8" [66.7 mm] when fully projected,1-5/8" [41.3 mm] when dogged.
Dogging: Standard dogging with hex key or with cylinder not available on fire-rated exit devices.Electric dogging option available only.
Fasteners: Standard self-tapping screws and machine screws. Optional Sex Bolt Kits 26-0584 (two required per device) available separately.
Cylinders: Operable with mortise cylinder (4036) only via 3080 Entry Trim.
Entry Trim Functions: For entry trim function 08 (key locks/unlocks lever) or function 09 (key releases lever) select any standard 1" [25.4 mm] length, 1-5/32"[29.4 mm] diameter mortise cylinder with MS® cam such as the 4036 Mortise Cylinder. Accommodates cylinder lengths from 1" [25.4mm] to 1-1/4" [31.8 mm]. Available separately.
Bolts and Strikes: The patented top latching mechanism utilizes a rotating top bolt which deadlatches around the header strike, interlocking the door to the frame. Supplied with standard headerstrike. Adjustable protected steel rods. The hexagonal, hardened steel bottom bolt is shielded in a cast housing for strength and stability. For wood frames, an additional plate is supplied for securing the header strike.
Standard Package: Individually boxed.
Shipping Weight: 12 lbs [5.44 kg]
• Available in top rod only version, less bottom rod. Specify by adding “T”after exit device model number.
• Electrification Options: (MLR) Motorized Latch Retraction, Electric Latch Retraction(LR), Alarm, Monitoring
• Mechanical Options: Cylinder Dogging, Matching End Caps
Related Products: When purchasing this product, please consider the following related products, available separately:
| Accessories | Cylinders | Trim | Power |
26-0584 Sex Bolt Kit (two required per device), REX-Monitor/Signal Kits |
Operable by 4036 Mortise Cylinder depending upon the ANSI/BHMA functions of the exit device. | 3080, 3080E Series Entry Trim, 3090-150 Keyless Entry, 3001 Fixed Pull (for hollow metal or wood) | PS-EXIT Power Supply, 4612 Power Transfer Device, 4603 Rectifier, 4605 Transformer |