| 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. | 4HX61 |
| Airflow @ 0.000 in SP | 2,256 cfm |
| Application | Industrial and Commercial Buildings, Restaurants, Schools |
| Assembled/Unassembled | Assembled |
| Base Diameter | Not Applicable |
| Base Dimension | 22 in Square |
| Base Height | 1 3/4 in |
| Base Length, Base Width | 22" |
| Base Size - Roof Ventilators | 22 in x 22 in |
| Base Square Size - Roof Ventilators | 22" x 22" |
| Bearing Type | Sealed Pillow Block |
| CFM @ 0.000-In. SP | 2256 |
| CFM @ 0.125-In. SP | 2192 |
| CFM @ 0.250-In. SP | 2128 |
| CFM @ 0.375-In. SP | 2065 |
| CFM @ 0.500-In. SP | 2001 |
| CFM @ 0.625-In. SP | 1933 |
| CFM @ 0.750-In. SP | 1864 |
| CFM @ 0.875-In. SP | 1778 |
| CFM @ 1.000-In. SP | 1684 |
| CFM @ 1.250-In. SP | 1455 |
| Current | 7.2/3.6 to 3.6 A |
| Cutout Length | 17.5 in |
| Cutout Size | 17.5 in L x 17.5 in W |
| Damper Size | 15 x 15 in |
| Dimension A | 22 in |
| Dimension B, Overall Dia., Overall Diameter, Overall Width | 24 7/8 in |
| Dimension C, Overall Height | 25 1/8 in |
| Dimension D | 17 3/8 in |
| Drive Package Included, Drive Package With Motor Included, Includes Drive Package, Includes Motor | Yes |
| Drive Type | Belt-Drive |
| Drive Type - Roof Ventilators | Belt Drive |
| Duty Rating - Roof Ventilators | Standard |
| Exhaust Airflow @ 0.000 in. SP - Range, Exhaust Airflow @ 0.500 in SP - Range | 2,000 to 4,999 cfm |
| Exhaust Airflow @ 0.125 in SP | 2,192 cfm |
| Exhaust Airflow @ 0.375 in SP | 2,065 cfm |
| Exhaust Airflow @ 0.500 in SP | 2,122 cfm |
| Features | Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Nonoverloading Centrifugal Wheel Design |
| Fixed UL 762 Kitchen Roof Curb Stock No. | 4HX55 |
| For Air Type | Kitchen Air |
| High-Efficiency Motor, Speed Controllable | no |
| Housing Length, Housing Width | 24.9 in |
| Housing Material | Spun Aluminum |
| Hz | 60 |
| Includes | NEMA 1 Junction Box |
| Item | Centrifugal Upblast Roof Exhaust Fan |
| Item - Roof Ventilators | Upblast Ventilator |
| Max. BHP | 0.52 |
| Max. Inlet Temp. | 300 Degrees |
| Max. Operating Amps | 7.2/3.6-3.6 |
| Maximum Ambient Temperature, Maximum Inlet Air Temperature | 300 Degrees F |
| Maximum Fan Speed | 1,645 RPM |
| Maximum Static Pressure | 1 1/2 in wc |
| Motor Efficiency | Standard Motor |
| Motor Enclosure | Open Dripproof |
| Motor HP | 1/2 |
| Motor HP - Roof Ventilators | 1/2 hp |
| Motor Voltage | 115/208/230 |
| Mounting Location, Mounting Location - Roof Ventilators | Roof |
| Mounting Orientation | Vertical |
| Nominal Voltage | 115/208-230V AC |
| Number of Speeds, Phase | 1 |
| Overall Depth | 25 7/8 in |
| Propeller Shaft Diameter, Shaft Dia. Wheel End | 3/4 in |
| Recommended 12 In. Fixed Curb Item No. | 2RB76 |
| Recommended 8 In. Fixed Curb Item No. | 4HX39 |
| Recommended Damper Size (In.) | 15 x 15 |
| Recommended Damper Stock No. | 4HX65 |
| Requires | Roof Curb for New Installation |
| Resistance Properties | Spark Resistant |
| RPM | 1645 |
| Safety Features | Fully Rolled Windband |
| Sones @ 0.125-In. SP @ 5 Ft. | 17.6 |
| Sones @ 0.250-In. SP @ 5 Ft. | 17.4 |
| Sones @ 0.500-In. SP @ 5 Ft. | 16.9 |
| Spark Resistant Construction Type | A |
| Standards | AMCA Sound and Air, CSA Certified Motor, UL/cUL 762 |
| Voltage - Roof Ventilators | 115V AC/208V AC/230V AC |
| Wheel & Housing Material | Aluminum / Aluminum |
| Wheel Dia., Wheel Diameter | 13 1/4 in |
| Wheel Material | Aluminum |