Description
AA2 Smoke Damper Options
| Transitions: | No Sleeve, Side Plate, Round or Oval Short Width (<8″) and/or Short Height (<6″) |
| Sleeves: | Optional Gauges and Depths 18″ to 24″ Standard |
| Integral Dual Position Indication Switches | |
| Smoke Detectors: | SM-501 Flow Rated (10″ Minimum) 2151 No-Flow Rated (12″ Minimum) |
| Flanges: | Front, Rear or Both |
| Retaining Angles: | Tab Lock 1 or 2 Sets |
| Axle and Bearings: | Stainless Steel |
| Remote Test Boxes: | Momentary Test Switch Option |
| Copper Tubing: | For Pneumatic Actuators |
| Transformers | |
| Security Bars | |
Construction & Performance Requirements Met
- Underwriters Laboratories, Inc. (UL): Standard 555S
- National Fire Protection Association Standards 80 and 90A
- ICC’s International Building Code
- New York City MEA Listing #112-99-M
- California State Fire Marshall Listing #3230-1328:111

