Skip Content

Square Fire Damper,11-3/4 In. W close
close x

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.
Megaphone How can we improve our Product Images?

Square Fire Damper, 11-3/4 In. W

Price $46.25 / each

Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Confirm ZIP Code to determine availability.


Invalid Zip Code


Ship to: (Change)


Invalid Zip Code

  • Item # 2TGA8
  • Mfr. Model # 2TGA8
  • UNSPSC # 40101504
  • Catalog Page # 4311
  • Shipping Weight 5.2 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • Item Fire Damper
  • Shape Square
  • Mounting Type Static, Vertical
  • Nominal Duct Width 12"
  • Nominal Duct Height 12"
  • Damper Depth 3-11/16"
  • Recommended Retaining Angle 2TGH2
  • Material 22 ga. Galvanized Steel
  • Damper Height 11-3/4"
  • Damper Width 11-3/4"
  • Fire Rated 1-1/2 hr.
  • Free Area 0.643 sq. ft.
  • Fusible Link 165 Degrees F
  • For Use With Low Pressure HVAC Systems
  • Standards UL Standard 555, NFPA 80, 90A and 101, IBC, CSFM, NYC MEA
  • Includes UL Fusible Link
Megaphone How can we improve our Technical Specifications?

Compliance and Restrictions



Fire Dampers

• UL, NFPA, IBC, MEA, CSFM Accommodate airflow in either direction Fire-resistance rating: 1-1/2 hr. Max. temp.: 165°F Curtain blade style (square & rectangular); single-blade (round) NFPA 80 requires retaining angles
For zero-pressure systems. Vertical-mount models close via gravity. Horizontal models have spring-assist closing.

Alternate Products

Alternate Search Terms

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.