This is a Dayton motorized control damper. Please refer to the technical specifications in the listing for more information.
We have inspected this item and we do not have the capability to fully test it. This unit needs to be hardwired and should be installed by a professional. There are some cosmetic scuffs and scratches throughout the unit. Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Technical Specs
| Item | Motorized Control Damper |
| Manufacturer Part Number | 3HHP3 |
| For Duct Shape | Square |
| Rough Opening Shape | Square |
| Number of Panels | 1 |
| Overall Height | 15 in |
| Overall Width | 15 in |
| Overall Length | 12 in |
| Overall Diameter | 15 in |
| Rough Opening Diameter | 13 in |
| Rough Opening Length | 13 in |
| Rough Opening Width | 13 in |
| Flange Type | Reversed Flange |
| Flange Width | 1-1/2 in |
| Frame Material Thickness | 14 ga |
| Frame Material | Steel |
| Jamb Seal Material | Stainless Steel |
| Blade Type | Flat Blade |
| Blade Orientation | Parallel Blades |
| Blade Material Thickness | 16 ga |
| Blade Material | Galvanized Steel |
| Damper Type | Dynamic |
| Damper Finish | Plain |
| Damper Application | Motorized |
| Axle Material | Plated Steel |
| Bushing Material | Brass |
| Nameplate Voltage | 100/240V AC |
| Phase | 1 |
| Frequency | 50/60 Hz |
| Full Load Current | 3 A |
| Electrical Connection | Hardwired |
| Closure Pressure Rating | 4 in wc |
| Closure Velocity Rating | 3,500 fpm |
| Maximum Pressure | 4 in wg |
| Maximum Air Velocity | 3500 fpm |
| Pressure Drop @ 1000 fpm (AMCA 5.2) | 0.18 in wg |
| Maximum Temperature Rating | 122 °F |
| Airflow Direction | Horizontal; Vertical |
| Mounting Position | Horizontal; Vertical |
| Switch Action | Normally Open |
| Motor Bracket Extension | 6-7/8 in |
| Free Area | 0.8 sq ft |
| Series | GMD-SP |