| Item | Exhaust Ventilator |
| Assembled/unassembled | Unassembled |
| Assembly | Unassembled |
| Base Diameter | Not Applicable |
| Base Height | 1 3/4" |
| Base Length | 30" |
| Base Shape | Square |
| Base Size - Roof Ventilators | 30" x 30" |
| Base Width | 30" |
| Bearing Type | Regreaseable Pillow Block |
| Blade Design | Swept Steeply Pitched |
| Blade Dia. | 20" |
| Blade Material | Steel |
| Brake Horsepower | 17/50 hp |
| Cfm @ 0.000-in. Sp | 3018 CFM |
| Cfm @ 0.125-in. Sp | 2610 CFM |
| Cfm @ 0.250-in. Sp | 2109 CFM |
| Cfm @ 0.375-in. Sp | 1612 CFM |
| Dimension B | 35 1/4" |
| Drive Package Included | Yes |
| Drive Package With Motor Included | Yes |
| Drive Type | Belt Drive |
| Drive Type - Roof Ventilators | Belt Drive |
| Electrical Connection | Power Cord |
| For Air Type | Clean Air |
| For High-static Pressure Applications | No |
| Frequency | 60 Hz |
| High-efficiency Motor | No |
| Housing Length | 35.3" |
| Housing Material | Aluminum |
| Housing Material Fabrication | Spun |
| Housing Width | 35.3" |
| Includes Drive Package | Yes |
| Includes Motor | Yes |
| Max. Bhp | 17/50 bhp |
| Max. Inlet Temp. | 120°F |
| Maximum Fan Speed | 875 RPM |
| Motor Horsepower | 1/3 hp |
| Motor Hp | 1/3 hp |
| Motor Hp - Roof Ventilators | 1/3 hp |
| Motor Hz | 60 Hz |
| Motor Location | Out Of Airstream |
| Motor Voltage | 115/230V |
| Mount Type | Roof Curb |
| Mounting Location | Roof |
| Number Of Blades | 5 |
| Overall Dia. | 35 1/4" |
| Overall Height | 30 1/2" |
| Overall Length | 35 1/4" |
| Overall Width | 35 1/4" |
| Phase | 1 |
| Propeller Dia. | 20" |
| Propeller Material | Steel |
| Propeller Shaft Diameter | 3/4" |
| Recommended Damper Size (in.) | 23" x 23" |
| Requires | Roof Curb For New Installations |
| Resistance Properties | Weather Resistant |
| Safety Features | Birdscreen, Windband |
| Shaft Dia. Propeller End | 3/4" |
| Shaft Dia. Sheave End | 3/4" |
| Speed Control | No |
| Speed Controllable | No |
| Type | Axial Belt Drive Downblast With Drive Package |
| Application | Industrial And Commercial Applications |
| Blade Diameter | 20" |
| Compatible Damper Grainger Part Number | 4HX67 |
| Current | 6.4/3-3.2A |
| Damper Size | 23" x 23" |
| Exhaust Airflow @ 0.000 In Sp | 3018 CFM |
| Exhaust Airflow @ 0.125 In Sp | 2610 CFM |
| Exhaust Airflow @ 0.250 In Sp | 2109 CFM |
| Exhaust Airflow @ 0.375 In Sp | 1612 CFM |
| Features | Fully Rolled Bead On The Windband Ensures Stability And Provides Rigidity For Lifting And Transporting, NEMA 1 Junction Box Located In Motor Enclosure |
| Includes | Drive Package, NEMA 1 Junction Box |
| Includes Drive Package With Motor | Yes |
| Maximum Ambient Temperature | 120°F |
| Maximum Inlet Air Temperature | 120°F |
| Maximum Static Pressure | 3/8 in. wc |
| Motor Enclosure | Open Dripproof |
| Nameplate Voltage | 115/208-230V AC |
| Number Of Speeds | 1 |
| Standards | AMCA SOUND AND AIR, UL/CUL 705 |
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