| Item | Upblast Ventilator |
| Assembled/unassembled | Unassembled |
| Assembly | Unassembled |
| Base Dia. | Not Applicable |
| Base Height | 1 3/4" , 1 4/5" |
| Base Length | 30" |
| Base Shape | Square |
| Base Size | 30" x 30" |
| Base Width | 30" |
| Bearing Type | Regreasable Pillow Block |
| Brake Hp | 39/50 hp |
| Dimension A | 30" |
| Dimension B | 35 3/8" |
| Dimension C | 34 3/4" |
| Dimension D | 21" |
| Drive Package Included | Yes |
| Drive Package With Motor Included | Yes |
| Drive Type | Belt Drive |
| Duty Rating | Standard |
| For Air Type | Kitchen Air |
| For High-static Pressure Applications | No |
| High-efficiency Motor | No |
| Housing Length | 35 2/5" |
| Housing Material | Aluminum , Spun |
| Housing Width | 35 2/5" |
| Hp | 3/4 hp |
| Includes Drive Package | Yes |
| Includes Motor | Yes |
| Max. Bhp | 39/50 bhp |
| Max. Inlet Temp. | 300°F |
| Motor Location | Out Of Airstream |
| Motor Voltage | 208-230/460V |
| Mount Type | Roof Curb |
| Mounting Location | Roof |
| Overall Dia. | 35 3/8" |
| Overall Height | 36 1/2" |
| Phase | 3 |
| Propeller Shaft Dia. | 3/4" |
| Recommended Damper Size (in.) | 23" x 23" |
| Requires | Roof Curb For New Installation |
| Safety Features | Fully Rolled Windband |
| Shaft Dia. Sheave End | 3/4" |
| Shaft Dia. Wheel End | 3/4" |
| Sones @ 0.125-in. Sp @ 5 Ft. | 16.2 sones |
| Sones @ 0.250-in. Sp @ 5 Ft. | 15.8 sones |
| Sones @ 0.500-in. Sp @ 5 Ft. | 15.5 sones |
| Speed Controllable | No |
| Wheel Dia. | 18 1/2" |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined |
| Application | Industrial And Commercial Buildings, Restaurants, Schools |
| Brake Horsepower | 39/50 bhp |
| Compatible Curb Grainger Part Number | 2RB79, 2ZV84, 3C438, 4C455, 4HX41, 4HX49, 4HX57, 4HX62 |
| Compatible Damper Grainger Part Number | 4HX67 |
| Damper Size | 23" x 23" |
| Exhaust Airflow @ 0.000 In Sp | 4061 CFM |
| Exhaust Airflow @ 0.125 In Sp | 3919 CFM |
| Exhaust Airflow @ 0.250 In Sp | 3786 CFM |
| Exhaust Airflow @ 0.375 In Sp | 3666 CFM |
| Exhaust Airflow @ 0.500 In Sp | 3554 CFM |
| Features | Air Handling Quality Bearings Meet Minimum Of L10-100, 000 Hours, Nonoverloading Centrifugal Wheel Design |
| Frequency | 60 Hz |
| Housing Material Fabrication | Spun |
| Includes | Drive Package, NEMA 1 Junction Box |
| Includes Drive Package With Motor | Yes |
| Maximum Fan Speed | 1075 RPM |
| Maximum Inlet Air Temperature | 300°F |
| Maximum Static Pressure | 1 in. wc |
| Motor Enclosure | Open Dripproof |
| Motor Horsepower | 3/4 hp |
| Motor Speed | 1075 RPM |
| Nameplate Voltage | 208-230/460V AC |
| Number Of Speeds | 1 |
| Sound Level | 13.3 sones @ 1.000 in SP, 14.2 sones @ 0.875 in SP, 14.7 sones @ 0.750 in SP, 15.1 sones @ 0.625 in SP, 15.5 sones @ 0.500 in SP, 15.7 sones @ 0.375 in SP, 15.8 sones @ 0.250 in SP, 16.2 sones @ 0.125 in SP, 16.5 sones @ 0.000 in SP |
| Standards | AMCA SOUND AND AIR, UL/CUL 762 |
| Wheel Diameter | 18 1/2" |
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