| 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, Exhaust Airflow @ 0.000 in SP | 1,549 cfm |
| Application | Industrial and Commercial Buildings, Restaurants, Schools |
| Assembled/Unassembled, Assembly | Assembled |
| Base Diameter | Not Applicable |
| Base Height | 1.8 in, 1 3/4 in |
| Base Length, Base Width | 22" |
| Base Length, Base Width, Dimension A | 22 in |
| Base Shape | Square |
| Base Size - Roof Ventilators | 22 in x 22 in |
| Base Square Size - Roof Ventilators | 22" x 22" |
| Bearing Type | Sealed Pillow Block |
| Brake Horsepower | 7/20 hp |
| Brand | Dayton |
| CFM @ 0.000-In. SP | 1549 |
| CFM @ 0.125-In. SP | 1505 |
| CFM @ 0.250-In. SP | 1459 |
| CFM @ 0.375-In. SP | 1406 |
| CFM @ 0.500-In. SP | 1350 |
| CFM @ 0.625-In. SP | 1293 |
| CFM @ 0.750-In. SP | 1234 |
| CFM @ 0.875-In. SP | 1171 |
| CFM @ 1.000-In. SP | 1106 |
| CFM @ 1.250-In. SP | 900 |
| CFM @ 1.500-In. SP, CFM @ 1.75-In. SP, CFM @ 2.000-In. SP, CFM @ 2.250-In. SP, CFM @ 2.500-In. SP, CFM @ 2.75-In. SP, Fixed Severe Duty 24"H Roof Curb Item No. | - |
| Color | Silver |
| Compatible Curb Grainger Part Number | 2RB76, 2ZV82, 4C453, 4C670, 4HX39, 4HX47, 4HX55, 4HX61 |
| Compatible Damper Grainger Part Number, Recommended Damper Stock No. | 4HX65 |
| Current | 5.8/3.1 to 2.9 A |
| Cutout Length | 17.5 in |
| Cutout Size | 17.5 in L x 17.5 in W |
| Damper Size | 15 x 15 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, Drive Type - Roof Ventilators | Belt Drive |
| Duty Rating - Roof Ventilators | Standard |
| Electrical Connection | Power Cord |
| Exhaust Airflow @ 0.125 in SP | 1,505 cfm |
| Exhaust Airflow @ 0.250 in SP | 1,459 cfm |
| Exhaust Airflow @ 0.375 in SP | 1,406 cfm |
| Exhaust Airflow @ 0.500 in SP | 1,350 cfm |
| Exhaust Airflow @ 0.500 in SP - Range | 0 to 1,999 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 |
| For High-Static Pressure Applications, High-Efficiency Motor, International Shipping, Speed Controllable | no |
| Frequency | 60 Hz |
| Grease Capacity | Standard Grease |
| Housing Length, Housing Width | 24.9 in |
| Housing Material | Spun Aluminum |
| Housing Material Fabrication | Spun |
| Housing Material, Wheel Material | Aluminum |
| Hz | 60 |
| Includes | NEMA 1 Junction Box |
| Item | Centrifugal Upblast Roof Exhaust Fan |
| Item - Roof Ventilators | Upblast Ventilator |
| Max. BHP | 0.35 |
| Max. Inlet Temp. | 300 Degrees |
| Max. Operating Amps | 5.8/3.1-2.9 |
| Maximum Ambient Temperature, Maximum Inlet Air Temperature | 300 Degrees F |
| Maximum Ambient Temperature, Maximum Inlet Air Temperature | 300 Degrees F |
| Maximum Fan Speed, Motor Speed | 1,820 RPM |
| Maximum Static Pressure | 1 1/8 in wc |
| Motor Enclosure | Open Dripproof |
| Motor Enclosure Design | Open Dripproof (ODP) |
| Motor Horsepower, Motor HP - Roof Ventilators | 1/3 hp |
| Motor HP | 1/3 |
| Motor Location | Out of Airstream |
| Motor Voltage | 115/208/230 |
| Mount Type | Roof Curb |
| Mounting Location, Mounting Location - Roof Ventilators | Roof |
| Mounting Orientation | Vertical |
| Mpn | 1MBE7 |
| Nameplate Voltage, Nominal Voltage | 115/208-230V AC |
| Number of Speeds, Phase | 1 |
| Overall Depth | 25 7/8 in |
| Overall Height | 30 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 |
| Requires | Roof Curb for New Installation |
| Resistance Properties | Spark Resistant |
| RPM | 1820 |
| Safety Features | Fully Rolled Windband |
| SKU | ZO-G1489266 |
| Sones @ 0.125-In. SP @ 5 Ft. | 13.7 |
| Sones @ 0.250-In. SP @ 5 Ft. | 13.4 |
| Sones @ 0.500-In. SP @ 5 Ft. | 12.4 |
| Sound Level | 10.1 sones @ 1.250'' SP and 5 ft, 10.6 sones @ 1.000'' SP and 5 ft, 11.2 sones @ 0.875'' SP and 5 ft, 11.6 sones @ 0.750'' SP and 5 ft, 12.0 sones @ 0.625'' SP and 5 ft, 12.4 sones @ 0.500'' SP and 5 ft, 12.7 sones @ 0.375'' SP and 5 ft, 13.4 sones @ 0.250'' SP and 5 ft, 13.7 sones @ 0.125'' SP and 5 ft, 14.3 sones @ 0.000'' SP and 5 ft |
| Standards | AMCA Sound and Air, CSA Certified Motor, UL/cUL 762 |
| UPC | 190735146255 |
| Voltage - Roof Ventilators | 115V AC/208V AC/230V AC |
| Wheel Dia. | 11 1/4 in |