Type A Fire Rated Damper 12 inch Vertical Orientation 3 Hour Rating FDVA12X12-3HR

Note: These are non-standard dampers that are non-returnable and cannot be standard.

Features
Narrow 2-3/16" or 1-1/2" frame
Electro thermal links - 165 degrees Fahrenheit
Other fusible links 135, 212, and 286 degrees Fahrenheit
Adjustable blade stack for combination fire/balancing damper
Solenoid release
Micro-switches for fan shut off and/or status control
Stainless steel construction1-1/2 hour rating standard - 3 hour optional vertical only

**When the damper or damper assembly exceeds either 48" in width or 60" in height, the retaining angles should not be less than 1-1/2" x 1-1/2" x 1/8" thickand should be attached to the sleeve using 20 1/4" x 3/4" round head stove bolts at 8" on C. 1" long welds or No. 14 x 3/4" sheet metal screws at the samespacing.

• Spec Sheet