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Specs
| Item | Fire Damper |
|---|---|
| Shape | Square |
| Mounting Type | Static, Horizontal |
| Nominal Duct Width | 18" |
| Nominal Duct Height | 18" |
| Damper Depth | 4-7/8" |
| Material | 22 ga. Galvanized Steel |
| Damper Height | 17-3/4" |
| Damper Width | 17-3/4" |
| Fire Rated | 1-1/2 hr. |
| Free Area | 1.73 sq. ft. |
| Fusible Link | 165 Degrees F |
| For Use With | Low Pressure HVAC Systems |
| Standards | UL Standard 555, NFPA-90A and CSFM |
| Includes | Stainless Steel Negator Spring, to Assist In Closure |
| UNSPSC | 40101504 |
| Weight | 11.000000 |
| SKUs | 3ZV78 |
Description
Fire Damper, Square, Mounting Type Static, Horizontal, Nominal Duct Width 18 In., Nominal Duct Height 18 In., Damper Depth 4-7/8 In., Material 22 ga. Galvanized Steel, Damper Height 17-3/4 In., Damper Width 17-3/4 In., Fire Rated 1-1/2 hr., Free Area 1.73 sq. ft., Fusible Link 165 Degrees F, For Use With Low Pressure HVAC Systems, Standards UL Standard 555, NFPA-90A and CSFM, Includes Stainless Steel Negator Spring, to Assist In Closure
