| Item | Supply Ventilator |
| Application | Commercial Kitchen, Institutional Buildings |
| Assembled/unassembled | Unassembled |
| Assembly | Unassembled |
| Base Diameter | Not Applicable |
| Base Height | 1 1/2" |
| Base Length | 32 1/2" |
| Base Shape | Square |
| Base Size - Roof Ventilators | 34 1/2" x 34 1/2" |
| Base Width | 32 1/2" |
| Bearing Type | Sealed Pillow Block |
| Brake Horsepower | 27/50 hp |
| Cfm @ 0.125-in. Sp | 3102 CFM |
| Cfm @ 0.250-in. Sp | 2708 CFM |
| Cfm @ 0.375-in. Sp | 2109 CFM |
| Cfm @ 0.500-in. Sp | 1065 CFM |
| Dimension C | 27 1/2" |
| Discharge Length | 16" |
| Discharge Width | 18 5/8" |
| Drive Package Included | Yes |
| Drive Package With Motor Included | Yes |
| Drive Type | Belt Drive |
| Drive Type - Roof Ventilators | Belt Drive |
| Fan Rpm | 535 RPM |
| Fan Speed | 535 RPM |
| Filter Area | 3.75 sq. ft. |
| Filter Depth | 7/8" |
| Filter Height | 19 5/8" |
| Filter Housing Depth | 29 1/4" |
| Filter Housing Height | 27 1/2" |
| Filter Housing Width | 28 1/8" |
| Filter Material | Aluminum |
| Filter Width | 27 5/8" |
| Frequency | 60 Hz |
| Housing Finish | Galvanized |
| Housing Height | 34 2/5" |
| Housing Length | 34 1/2" , 34 2/5" |
| Housing Material | Steel |
| Housing Width | 63 4/5" , 64 1/2" |
| Includes | Drive Package, Washable Aluminum Filters |
| Includes Drive Package | Yes |
| Includes Motor | Yes |
| Max. Bhp | 27/50 bhp |
| Max. Inlet Temp. | 120°F |
| Maximum Fan Speed | 535 RPM |
| Motor Horsepower | 1/2 hp |
| Motor Hp | 1/2 hp |
| Motor Hp - Roof Ventilators | 1/2 hp |
| Motor Hz | 50/60 Hz |
| Motor Voltage | 208-220/440V |
| Mount Type | Roof Curb |
| Mounting Location | Roof |
| No. Of Speeds | 1 |
| Number Of Filters | 2 |
| Number Of Filters Required | 2 |
| Outlet Width | 18 5/8" |
| Overall Dia. | Not Applicable |
| Overall Height | 32" |
| Overall Length | 34 1/2" |
| Overall Width | 63 3/4" |
| Phase | 3 |
| Propeller Shaft Dia. | 1" |
| Requires | Roof Curb For New Installations |
| Shaft Dia. Sheave End | 1" |
| Shaft Dia. Wheel End | 1" |
| Shaft Dia. Wheel End (in.) | 1" |
| Sones @ 0.125-in. Sp @ 5 Ft. | 13.3 sones |
| Sones @ 0.250-in. Sp @ 5 Ft. | 11.2 sones |
| Spark Resistant Construction Type | A |
| Speed Controllable | No |
| Type | Centrifugal Belt Drive, With Drive Package |
| Wheel Bore | 1" |
| Wheel Dia. | 15 1/2" |
| Wheel Material | Steel |
| Wheel Type | Forward Curved |
| Compatible Curb Grainger Part Number | 2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50 |
| Current | 2-2.0/1A |
| Features | Air Handling Quality Bearings Meet Minimum Of L10-100000 Hours, Neoprene Isolators Minimize Vibration And Noise |
| Includes Drive Package With Motor | Yes |
| Maximum Inlet Air Temperature | 120°F |
| Maximum Static Pressure | 1/2 in. wc |
| Motor Enclosure | Totally Enclosed Fan Cooled |
| Motor Speed | 1725 RPM |
| Nameplate Voltage | 208-230/460V AC |
| Number Of Speeds | 1 |
| Sound Level | 10.2 sones @ 0.375 in SP and 5 ft, 11.2 sones @ 0.250 in SP and 5 ft, 13.3 sones @ 0.125 in SP and 5 ft, 15.3 sones @ 0.000 in SP and 5 ft, 9.3 sones @ 0.500 in SP and 5 ft |
| Standards | AMCA SOUND AND AIR, UL/CUL 705 |
| Supply Airflow @ 0.000 In Sp | 3447 CFM |
| Wheel Diameter | 15 1/2" |
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