The Von Duprin 110WD-NL is a Grade 1 night latch cylinder assembly for wood door prep that uses a key to retract the latchbolt on compatible Von Duprin exit devices when paired with a rim cylinder.

Function

This assembly provides ANSI Function 03, meaning the key retracts the latchbolt for controlled entry from the exterior side.

Applications 

It is used on wood doors equipped with compatible Von Duprin exit devices, including 22, 33A/35A, 55, 78, and 98/99 Series.

Best for

• Wood door openings that need keyed entry control on Von Duprin panic hardware
  
  
• Facilities using Von Duprin 22, 33A/35A, 55, 78, or 98/99 Series devices
  
  
• Exterior trim setups where a rim cylinder will be specified separately
  
  
• Thicker door conditions in the >2-1/4 inch to ≤4-1/4 inch range
  
  

It helps by

• Allowing a key to retract the latchbolt for controlled access
  
  
• Supporting wood door cylinder preparation and component assembly shown in manufacturer instructions
  
  
• Providing finish choices to match common hardware finishes
  
  

Specifications

• Model: 110WD-NL
  
  
• Product type: Night latch cylinder assembly (wood door prep)
  
  
• Compatible device series: 22, 33A/35A, 55, 78, 98/99
  
  
• Function: Key retracts latchbolt (ANSI Function 03)
  
  
• Door thickness range shown on listing: >2-1/4 inch to ≤4-1/4 inch
  
  
• Cylinder: Rim cylinder required and sold separately (commonly 1-1/8 inch rim cylinder)
  
  
• Optional pull: Required
  
  
• Finishes: US26D/626, US10/612, US26/625, US4/606, US15/619, US3/605, US10B/613, SPBLK/693, 643E, SP28/689, SP313/695
  
  
• Grade reference: Meets ANSI 156.3-2001 Grade 1 standards (as listed by distributor)
  
  

Key highlights

• Night latch cylinder assembly for wood door prep
  
  
• Key retracts latchbolt (ANSI Function 03)
  
  
• Works with multiple Von Duprin exit device series
  
  
• Wide finish selection for matching door hardware
  
  

What’s included

• Night latch cylinder mounting components shown in manufacturer cylinder preparation instructions (spacer collar, cylinder disc, cylinder screws, and a through-bolt style attachment)
  
  
• Service manual listed components for the 110NL cylinder assembly family such as spacer collar, countersink washer, cylinder collar, and cylinder disc
  
  
• Rim cylinder is not included and must be specified separately
  
  

Key features

• Key-operated latchbolt retraction
  
  
• Wood door cylinder preparation format
  
  
• Multiple finish options
  
  
• Compatible with common Von Duprin exit device series
  
  

Keying options

• Less cylinder (no cylinder included with this assembly; rim cylinder is specified separately)
  
  
• Keyed Different (each cylinder uses its own key, when selecting a rim cylinder option)
  
  
• Keyed Alike (multiple cylinders can be set to the same key, when selecting a rim cylinder option)
  
  
• Master keyed options may be available depending on the rim cylinder and key system selected
  
  

Warranty

• Von Duprin product warranty documents commonly list exit devices and trim as covered for 36 months from the date the product is placed in operation, or 42 months from the date it leaves the factory, whichever occurs first (see full warranty terms and conditions).