Supply Vent, 12 In
| Item | Axial Downblast Roof Supply Fan |
|---|---|
| Propeller Dia. | 12 in |
| Voltage | 115 |
| Motor HP | 0.25 |
| Speed Control | 48C173 |
| Phase | 1 |
| Recommended 8 In. Fixed Curb Item No. | 4HX39 |
| Mounting Location | Roof, Wall |
| Base Top to Shroud | 6 1/4 in |
| Adj. 6 3/8"H Roof Curb Stock No. | 4c453 |
| Base Length | 22 in |
| Propeller Material | Aluminum |
| Base Width | 22 in |
| Standards | AMCA Sound and Air, UL/cUL 705 |
| Base Height | 1 3/4 in |
| Hz | 60 |
| Recommended Damper Stock No. | 4HX65 |
| Includes | NEMA 1 Junction Box |
| Sones @ 0.250-In. SP @ 5 Ft. | 12.2 |
| Sones @ 0.125-In. SP @ 5 Ft. | 11.6 |
| Max. Inlet Temp. | 120 Degrees F |
| Overall Dia. | 28-5/8 in |
| Dimension D | 6-1/4 in |
| Requires | Roof Curb for New Installation |
| CFM @ 0.500-In. SP | 641 |
| Recommended 12 In. Fixed Curb Item No. | 2RB76 |
| CFM @ 0.125-In. SP | 1,400 |
| CFM @ 0.000-In. SP | 1,444 |
| Overall Height | 18-1/4 in |
| CFM @ 0.375-In. SP | 953 |
| Max. BHP | 0.1479 |
| CFM @ 0.250-In. SP | 1,203 |
| Dimension C | 16-1/2 in |
| Dimension B | 28-5/8 in |
| Adj. 12 3/8"H Roof Curb Stock No. | 2ZV82 |
| Housing Material | Aluminum |
| Recommended Damper Size | 15 in x 15 in |
| Dimension A | 22 in |
| Max. Operating Amps | 2.4 |
| Speed Controllable | Yes |
| Shaft Dia. Propeller End | 1/2 in |
| RPM | 1750 |
| Features | Fully Rolled Baffle Bead for Stability and Ease of Transport With Spun Aluminum Hood Construction, Galvanized Steel Venturi, Inlet and Supports, NEMA 1 Junction Box Located in Motor Enclosure |
| Application | Industrial and Commercial Applications |
| Overall Width | 28-5/8 in |
| Overall Length | 28-5/8 in |
| Overall Diameter | 28.6 in |
| Drive Type | Direct Drive |
| For Air Type | Clean Air |
| Maximum Inlet Air Temperature | 120 Degrees F |
| High-Efficiency Motor | No |
| Supply Airflow @ 0.250 in SP | 1,203 cfm |
| Blade Design | Swept Steeply Pitched |
| Housing Material Fabrication | Spun |
| Exhaust Airflow @ 0.250 in SP | 1,203 cfm |
| Cutout Length | 17-1/2 in |
| Airflow @ 0.000 in SP | 1,444 cfm |
| Compatible Speed Control | 48C173 |
| Supply Airflow @ 0.500 in SP | 641 cfm |
| Number of Blades | 4 |
| Blade Diameter | 12 in |
| Supply Airflow @ 0.125 in SP | 1,400 cfm |
| Current | 4.2 A |
| Damper Size | 15 in x 15 in |
| Brake Horsepower | 3/20 hp |
| Exhaust Airflow @ 0.000 in SP | 1,444 cfm |
| For High-Static Pressure Applications | No |
| Motor Horsepower | 0.25 HP |
| Mount Type | Roof Curb |
| Maximum Fan Speed | 1,750 rpm |
| Motor Location | In Airstream |
| Frequency | 60 Hz |
| Sound Level | 11.4 sones @ 0.000 in SP and 5 ft, 11.6 sones @ 0.125 in SP and 5 ft, 12.2 sones @ 0.250 in SP and 5 ft, 15.1 sones @ 0.375 in SP and 5 ft, 15.8 sones @ 0.500 in SP |
| Maximum Static Pressure | 0.5 in wc |
| Supply Airflow @ 0.000 in SP | 1,444 cfm |
| Blade Material | Aluminum |
| Base Diameter | Not Applicable |
| Housing Width | 28.6 in |
| Exhaust Airflow @ 0.125 in SP | 1,400 cfm |
| Base Shape | Square |
| Compatible Curb Manufacturer Part Number | 2RB76, 2ZV82, 4C453, 4C670, 4HX39, 4HX47 |
| Propeller Shaft Diameter | 1/2 in |
| Assembly | Assembled |
| Housing Length | 28.6 in |
| Exhaust Airflow @ 0.375 in SP | 953 cfm |
| Supply Airflow @ 0.375 in SP | 953 cfm |
| Electrical Connection | Power Cord |
| Cutout Size | 17-1/2 in L x 17-1/2 in W |
| Includes Motor | Yes |
| Exhaust Airflow @ 0.500 in SP | 641 cfm |
| Includes Drive Package | Yes |
| Number of Speeds | 1 |
| Motor Enclosure | Open Air Over |
| Nameplate Voltage | 115V AC |
| Safety Features | Birdscreen |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |