
Dayton 3G-OTH-74785 — Technical Specifications
The Dayton 26"H-W Aluminum Spring Backdraft Damper (SKU 3HHR2) is a ceiling/roof-mount backdraft damper designed for horizontal airflow and horizontal mounting. It features a single-panel construction with dimensions of 26 inches in height, 26 inches in width, and 1 5/8 inches in depth, and is intended for use with a 24-inch fan. The damper supports a maximum air velocity of 2000 fpm.
Technical Specifications
| Parameter | Value |
|---|---|
| D | 1 5/8 in |
| H | 26 in |
| Type | Single Panel, 26 in W |
| Brand | DAYTON |
| Airflow Direction | Horizontal |
| Mounting Position | Horizontal |
| Maximum Air Velocity | 2000 fpm |
| Manufacturer Part Number | 3HHR2 |
