| Adj. 12 3/8"H Roof Curb Stock No. | 2ZV82 |
| Adj. 6 3/8"H Roof Curb Stock No. | 4c453 |
| Adj. UL 762 Kitchen Roof Curb Stock No., CFM @ 1.250-In. SP, CFM @ 1.500-In. SP, CFM @ 1.75-In. SP, CFM @ 2.000-In. SP, CFM @ 2.250-In. SP, CFM @ 2.500-In. SP, CFM @ 2.75-In. SP, Fixed UL 762 Kitchen Roof Curb Stock No. | - |
| Agency Compliance | AMCA Sound & Air, CSA Certified Motor, UL/cUL 705 |
| Airflow @ 0.000 in SP - Range, Exhaust Airflow @ 0.000 in SP - Range | 0 to 1,999 cfm |
| Application | Industrial and Commercial Applications |
| Assembled/Unassembled | Assembled |
| Base Height | 1 3/4 in |
| Base Length, Base Width | 19" |
| Base Size - Roof Ventilators | 19 in x 19 in |
| Base Square Size - Roof Ventilators | 19" x 19" |
| Bearing Type | Sealed Pillow Block |
| Brake Horsepower | 19/100 hp |
| CFM @ 0.000-In. SP | 856 |
| CFM @ 0.125-In. SP | 821 |
| CFM @ 0.250-In. SP | 785 |
| CFM @ 0.375-In. SP | 748 |
| CFM @ 0.500-In. SP | 710 |
| CFM @ 0.625-In. SP | 669 |
| CFM @ 0.750-In. SP | 630 |
| CFM @ 0.875-In. SP | 581 |
| CFM @ 1.000-In. SP | 511 |
| Compatible Curb Manufacturer Part Number | 2RB75, 2ZV82, 4C453, 4C670, 4HX38, 4HX46 |
| Damper Size | 12 x 12 in |
| Dimension A | 19 in |
| Dimension B, Overall Dia., Overall Diameter, Overall Length, Overall Width | 24 3/8 in |
| Dimension C, Overall Height | 24 7/8 in |
| Dimension D | 4 3/8 in |
| Drive Package Included, Drive Package With Motor Included, Includes Motor | Yes |
| Drive Type | Belt-Drive |
| Drive Type - Roof Ventilators | Belt Drive |
| Duty Rating - Roof Ventilators | Standard |
| Electrical Connection | Power Cord |
| Exhaust Airflow @ 0.000 in SP | 856 cfm |
| Exhaust Airflow @ 0.125 in SP | 821 cfm |
| Exhaust Airflow @ 0.375 in SP | 748 cfm |
| Features | Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Features a Fully Rolled Windband Bead for Increased Stability and Easy Transport, Fresh Outside Air is Drawn in Under the Motor Cover to Maximize Motor Life, Nema 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 and 4 Disconnects Available |
| For Air Type | Clean Air |
| For High-Static Pressure Applications, High-Efficiency Motor, Speed Controllable | no |
| Housing Material | Spun Aluminum |
| Housing Material Fabrication | Spun |
| Housing Width | 24.4 in |
| Hz | 60 |
| Includes | NEMA 1 Junction Box |
| Item | Centrifugal Downblast Roof Exhaust Fan |
| Item - Roof Ventilators | Downblast Ventilator |
| Material | Aluminum Blade with Aluminum Housing |
| Max. BHP | 0.19 hp |
| Max. Inlet Temp. | 180 Degrees |
| Max. Operating Amps | 6.2/2.8 |
| Maximum Ambient Temperature, Maximum Inlet Air Temperature | 180 Degrees F |
| Motor Efficiency | Standard-Efficiency Motors |
| Motor Enclosure | Open Dripproof |
| Motor HP | 1/4 |
| Motor HP - Roof Ventilators | 1/4 hp |
| Motor Location | Out of Airstream |
| Motor Speed | 1,725 RPM |
| Motor Voltage | 115/208/230 |
| Mount Type | Roof Curb |
| Mounting Location, Mounting Location - Roof Ventilators | Roof |
| Nominal Voltage | 115/208-230V AC |
| Number of Speeds, Phase | 1 |
| Promotion Restriction | Not eligible for promotion |
| Recommended 12 In. Fixed Curb Item No. | 2RB75 |
| Recommended 8 In. Fixed Curb Item No. | 4HX38 |
| Resistance Properties | Weather Resistant |
| RPM | 1710 |
| Safety Features | BIRDSCREEN, Windband |
| Shaft Dia. Wheel End | 3/4 in |
| Sones @ 0.125-In. SP @ 5 Ft. | 12.3 |
| Sones @ 0.250-In. SP @ 5 Ft. | 12.1 |
| Sones @ 0.500-In. SP @ 5 Ft. | 11.5 |
| Sound Level | 10.5 sones @ 1.000 in SP and 5 ft, 10.6 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, 11.5 sones @ 0.500 in SP and 5 ft, 11.9 sones @ 0.375 in SP and 5 ft, 12.1 sones @ 0.250 in SP and 5 ft, 12.3 sones @ 0.125 in SP and 5 ft, 12.5 sones @ 0.000 in SP and 5 ft |
| Voltage - Roof Ventilators | 115V AC/208V AC/230V AC |
| Wheel Dia. | 11 in |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined Centrifugal |
