Downblast Vent, Belt Drive, 13-3/4 In
| Item - Roof Ventilators | Downblast Ventilator |
|---|---|
| Drive Package With Motor Included | Yes |
| Duty Rating - Roof Ventilators | Standard |
| Drive Type - Roof Ventilators | Belt Drive |
| Mounting Location - Roof Ventilators | Roof |
| Number of Speeds | 1 |
| Voltage - Roof Ventilators | 115V AC/208V AC/230V AC |
| Motor HP - Roof Ventilators | 0.25 HP |
| Base Size - Roof Ventilators | 22 in x 22 in |
| CFM @ 0.000-In. SP | 1,866 |
| Dimension D | 4 in |
| Sones @ 0.250-In. SP @ 5 Ft. | 12.8 |
| CFM @ 0.375-In. SP | 1,637 |
| Includes | Drive Package, NEMA 1 Junction Box |
| Shaft Dia. Wheel End | 3/4 in |
| Max. Inlet Temp. | 180 deg F |
| Base Height | 1-3/4 in |
| Wheel Material | Aluminum |
| Drive Package Included | Yes |
| Dimension B | 28-3/8 in |
| Housing Material | Aluminum |
| CFM @ 0.500-In. SP | 1,545 |
| Phase | 1 |
| Item | Centrifugal Downblast Roof Exhaust Fan |
| Sones @ 0.125-In. SP @ 5 Ft. | 12.8 |
| Base Square Size - Roof Ventilators | 22" x 22" |
| Speed Controllable | No |
| CFM @ 0.625-In. SP | 1,435 |
| Hz | 60 |
| CFM @ 0.125-In. SP | 1,794 |
| Dimension C | 25-3/8 in |
| Agency Compliance | AMCA Sound & Air, UL/cUL 705 |
| Motor Voltage | 115/208/230 |
| Dimension A | 22 in |
| Mounting Location | Roof |
| Drive Type | Belt Drive |
| Recommended 12 In. Fixed Curb Item No. | 4HX47 |
| Recommended 8 In. Fixed Curb Item No. | 4HX39 |
| Max. BHP | 0.26 |
| Base Width | 22 in |
| Max. Operating Amps | 4.6/2.2-2.3 |
| Base Length | 22 in |
| RPM | 1,315 |
| Adj. 6 3/8"H Roof Curb Stock No. | 4c453 |
| CFM @ 0.875-In. SP | 1,116 |
| Overall Dia. | 28-3/8 in |
| CFM @ 0.750-In. SP | 1,305 |
| Wheel Type | Backward Inclined |
| Wheel Dia. | 13-3/4 in |
| Sones @ 0.500-In. SP @ 5 Ft. | 11.7 |
| CFM @ 0.250-In. SP | 1,718 |
| Motor HP | 0.25 |
| Overall Height | 27-1/8 in |
| Assembled/Unassembled | Unassembled |
| Adj. 12 3/8"H Roof Curb Stock No. | 4C670 |
| Bearing Type | Sealed Pillow Block |
| Standards | AMCA Sound and Air, NEMA, UL/cUL 705 |
| Wheel Diameter | 13-3/4 in |
| Overall Width | 28-3/8 in |
| Sound Level | 10.4 sones @ 0.875 in SP and 5 ft, 10.9 sones @ 0.750 in SP and 5 ft, 11.2 sones @ 0.625 in SP and 5 ft, 11.7 sones @ 0.500 in SP and 5 ft, 12.1 sones @ 0.375 in SP and 5 ft, 12.5 sones @ 0.250 in SP and 5 ft, 12.8 sones @ 0.125 in SP and 5 ft, 13.2 sones @ 0.000 in SP and 5 ft |
| Nameplate Voltage | 115/208-230V AC |
| Exhaust Airflow @ 0.375 in SP | 1,637 cfm |
| Maximum Inlet Air Temperature | 180 deg F |
| Exhaust Airflow @ 0.500 in SP | 1,545 cfm |
| Assembly | Unassembled |
| Mount Type | Roof Curb |
| Damper Size | 15 in x 15 in |
| Housing Material Fabrication | Spun |
| Motor Enclosure | Open Dripproof |
| Resistance Properties | Weather Resistant |
| Electrical Connection | Power Cord |
| Exhaust Airflow @ 0.125 in SP | 1,794 cfm |
| Base Diameter | Not Applicable |
| For Air Type | Clean Air |
| Frequency | 60 Hz |
| Brake Horsepower | 13/50 hp |
| For High-Static Pressure Applications | No |
| Exhaust Airflow @ 0.250 in SP | 1,718 cfm |
| Motor Speed | 1,725 rpm |
| Maximum Fan Speed | 1,315 rpm |
| Base Shape | Square |
| Overall Diameter | 28-3/8 in |
| Compatible Curb Manufacturer Part Number | 2RB76, 2ZV82, 4C453, 4C670, 4HX39, 4HX47 |
| Exhaust Airflow @ 0.000 in SP | 1,866 cfm |
| Features | Fully Rolled Windband Bead for Increased Stability and Easy Transport, Nonoverloading Centrifugal Wheel Design |
| Motor Horsepower | 0.25 HP |
| Airflow @ 0.000 in SP | 1,866 cfm |
| Housing Width | 28.4 in |
| Overall Length | 28-3/8 in |
| Motor Location | Out of Airstream |
| Housing Length | 28.4 in |
| Safety Features | Birdscreen, Windband |
| Current | 4.6/2.2 to 2.3 A |
| Application | Industrial and Commercial Applications |
| Maximum Static Pressure | 0.875 in wc |
| Propeller Shaft Diameter | 3/4 in |
| Includes Drive Package | Yes |
| Includes Motor | Yes |
| High-Efficiency Motor | No |
| Country of Origin (subject to change) | Multiple |
| Package Quantity | 1 |