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Air Louvers

Model 1900-A Fire Rated Louver - 24" x 24"

1900A-24X24-B (EA/1)

18 Gauge (.048") CRS frame, Mineral Bronze Powder Coated Finish

List Price: $326.00

Limited Availability
While we do not show any available stock for this item, our creative technical sales reps may be able to build this product or find you a substitute solution.

Contact one of our call centers or chat with a Solutions expert who can walk you through your options. If necessary, we can source this product from our manufacturer partners as quickly as possible.

1900A Series

Adjustable Fire-Rated Z-Blade

Adjustable Z-Blade Louver with Fusible Link activated at 165 Degrees F is Ideal for Use in Steel and Composite Fire Doors up to 1-1/2 Hour Rating. The Self-Attaching Frame Style is Ideal for Installation in Existing Door Cutouts.

Product Details:
  • Min Size: 10" x 6"
  • Max Size: 24" x 24"
Frame Material:
  • 18 Gauge Cold Rolled Steel
Frame Construction:
  • Mitered and welded corners; screws fastened through prepared frame into louver core leaving corridor side of frame free of fasteners.
Blade Material:
  • 16 Gauge Cold Rolled Steel
Blade Spacing:
  • 1"
Door Thickness:
  • 1-3/4"
Free Flow Area:
  • 45% Free
Standard Finish:
  • Mineral Bronze
Optional Powder Coat Finishes:
  • Gray, Black, Flat Black, White, Silver, Brass, Sand, AMS Beige, SC Beige
  • Adjustable blades pivot on cadmium-plated steel rivets. The blades are operated by a manual adjusting lever. A spring loaded fusible link mechanism is incorporated into the design. Upon melting of the link at 165?? F, the action bar is actuated, thereby closing and locking all of the blades.
Fire Rating:
  • UL listed and labeled to ANSI/UL 10B and ANSI/UL 10C when properly installed in rated and approved door. Ratings up to 3 hours can be achieved, depending on glazing used and maximum exposed area.
  • Warnock Hersey listed and labeled upon request to NFPA 252, ANSI/UL 10B (CAN/ULC S104) and ANSI/UL 10C for ratings up to 90 minutes.


Model 1900-A Fire Rated Louver - 24" x 24"

Product Type: Door Lite/Louver

Manufacturer: Air Louvers

Series: 1900 Series


Model 1900-A Fire Rated Louver - 24" x 24"