| Application | Industrial and Commercial Buildings, Restaurants, Schools |
| Assembly | Unassembled |
| Base Diameter | Not Applicable |
| Base Height | 1.8 in |
| Base Length, Base Width | 22 in |
| Base Shape | Square |
| Bearing Type | Sealed Pillow Block |
| Brake Horsepower | 13/50 hp, 7/20 hp, 53/100 hp |
| Compatible Curb Grainger Part Number | 2RB76, 2ZV82, 4C453, 4C670, 4HX39, 4HX47, 4HX55, 4HX61 |
| Compatible Curb Manufacturer Part Number | 24Y860, 2RB75-2RB77, 2RB79-2RB82, 2ZV82-2ZV85 |
| Compatible Damper Grainger Part Number | 4HX65 |
| Cutout Length | 17.5 in |
| Cutout Size | 17.5 in L x 17.5 in W |
| Damper Size | 15 x 15 in |
| Drive Type | Belt |
| Electrical Connection | Power Cord |
| Features | Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, NEMA 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design |
| For Air Type | Kitchen Air |
| For High-Static Pressure Applications | Yes |
| Housing Length, Housing Width | 24.9 in |
| Housing Material Fabrication | Spun |
| Housing Material, Wheel Material | Aluminum |
| Includes | NEMA 1 Junction Box |
| Includes Drive Package, Includes Motor, Speed Controllable | No |
| Item | Centrifugal Upblast Roof Exhaust Fan |
| Maximum Airflow | 1,014 cfm |
| Maximum Ambient Temperature, Maximum Inlet Air Temperature | 300 Degrees F |
| Maximum Fan Speed, Maximum Motor Speed | 2,580 RPM |
| Maximum Motor Horsepower | 1/2 hp |
| Maximum Static Pressure | 2 1/2 in wc |
| Minimum Airflow | 323 cfm |
| Minimum Motor Horsepower | 1/4 hp |
| Minimum Motor Speed | 2,045 RPM |
| Motor Location | Out of Airstream |
| Mount Type | Roof Curb |
| Mounting Location | Roof |
| Number of Speeds | 1 |
| Overall Depth, Overall Height | 26 7/8 in |
| Overall Diameter, Overall Width | 24 7/8 in |
| Propeller Shaft Diameter | 3/4 in |
| Resistance Properties | Spark Resistant |
| Safety Features | Fully Rolled Windband |
| Sound Level | Fan RPM 2045: 13.9 sones @ 0.500 in SP and 5 ft, 13.5 sones @ 0.625 in SP and 5 ft, 12.7 sones @ 0.750 in SP and 5 ft, 12.2 sones @ 0.875 in SP and 5 ft, 12.1 sones @ 1.000 in SP and 5 ft, 11.5 sones @ 1.250 in SP and 5 ft, 11.4 sones @ 1.500 in SP and 5 ft, Fan RPM 2250: 14.4 sones @ 0.500 in SP and 5 ft, 14.4 sones @ 0.625 in SP and 5 ft, 14.2 sones @ 0.750 in SP and 5 ft, 13.7 sones @ 0.875 in SP and 5 ft, 13.2 sones @ 1.000 in SP and 5 ft, 12.5 sones @ 1.250 in SP and 5 ft, 11.9 sones @ 1.500 in SP and 5 ft, 11.6 sones @ 1.750 in SP and 5 ft, Fan RPM 2580: 16.8 sones @ 0.500 in SP and 5 ft, 16.4 sones @ 0.625 in SP and 5 ft, 16.0 sones @ 0.750 in SP and 5 ft, 15.9 sones @ 0.875 in SP and 5 ft, 15.7 sones @ 1.000 in SP and 5 ft, 15.1 sones @ 1.250 in SP and 5 ft, 14.4 sones @ 1.500 in SP and 5 ft, 13.7 sones @ 1.750 in SP and 5 ft, 13.2 sones @ 2.000 in SP and 5 ft, 12.9 sones @ 2.250 in SP and 5 ft, 12.5 sones @ 2.500 in SP |
| Spark Resistant Construction Type | A |
| Standards | AMCA Sound and Air, UL/cUL 762 |
| Wheel Diameter | 11 1/4 in |
| Wheel Type | Backward Inclined |