| Adj. 12 3/8"H Roof Curb Stock No. | 2ZV82 |
| Adj. 6 3/8"H Roof Curb Stock No. | 4c453 |
| Agency Compliance | AMCA Sound & Air, CSA Certified Motor, UL/cUL 705 |
| Airflow @ 0.000 in SP | 373 cfm |
| Airflow @ 0.000 in SP - Range, Exhaust Airflow @ 0.000 in SP - Range | 0 to 1,999 cfm |
| Application | Industrial and Commercial Applications |
| Assembled/Unassembled | Assembled |
| Base Diameter | Not Applicable |
| Base Dimension | 19 in Square |
| Base Height | 1 3/4 in |
| Base Length, Base Width | 19" |
| Base Shape | Square |
| Base Size - Roof Ventilators | 19 in x 19 in |
| Base Square Size - Roof Ventilators | 19" x 19" |
| Bearing Type | Sealed Pillow Block |
| Brake Horsepower | 13/100 hp |
| Brand | Dayton |
| CFM @ 0.000-In. SP | 373 |
| CFM @ 0.125-In. SP | 353 |
| CFM @ 0.250-In. SP | 335 |
| CFM @ 0.375-In. SP | 312 |
| CFM @ 0.500-In. SP | 292 |
| CFM @ 0.625-In. SP | 269 |
| CFM @ 0.750-In. SP | 246 |
| CFM @ 0.875-In. SP | 223 |
| CFM @ 1.000-In. SP | 198 |
| Color | Silver |
| Compatible Curb Manufacturer Part Number | 2RB75, 2ZV82, 4C453, 4C670, 4HX38, 4HX46 |
| Compatible Damper Grainger Part Number | 4HX64 |
| Current | 6.2/2.8 to 3.1 A |
| Current Stock | 3 |
| Cutout Length | 14.5 in |
| Cutout Size | 14.5 in L x 14.5 in W |
| Damper Size | 12 x 12 in |
| Dimension A | 19 in |
| Dimension B, Overall Dia., Overall Diameter, Overall Length, Overall Width | 24 3/8 in |
| Dimension C, Overall Height | 24 7/8 in |
| Dimension D | 4 3/8 in |
| Drive Package Included, Drive Package With Motor Included, Includes Drive Package, Includes Motor | Yes |
| Drive Type | Belt-Drive |
| Drive Type - Roof Ventilators | Belt Drive |
| Duty Rating - Roof Ventilators | Standard |
| Electrical Connection | Power Cord |
| Exhaust Airflow @ 0.125 in SP | 353 cfm |
| Exhaust Airflow @ 0.375 in SP | 312 cfm |
| Exhaust Airflow @ 0.500 in SP | 292 cfm |
| Features | Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Features a Fully Rolled Windband Bead for Increased Stability and Easy Transport, Fresh Outside Air is Drawn in Under the Motor Cover to Maximize Motor Life, Nema 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 and 4 Disconnects Available |
| For High-Static Pressure Applications, High-Efficiency Motor, International Shipping, Speed Controllable | no |
| Frequency | 60 Hz |
| Housing Length, Housing Width | 24.4 in |
| Housing Material | Spun Aluminum |
| Housing Material Fabrication | Spun |
| Hz | 60 |
| Includes | NEMA 1 Junction Box |
| Item | Centrifugal Downblast Roof Exhaust Fan |
| Item - Roof Ventilators | Downblast Ventilator |
| Lead Time | Expected to ship in 1-2 business days |
| Material | Aluminum Blade with Aluminum Housing |
| Max. BHP | 0.08/0.39/0.82 hp |
| Max. Inlet Temp. | 180 Degrees |
| Max. Operating Amps | 6.2/2.8 |
| Maximum Ambient Temperature, Maximum Inlet Air Temperature | 180 Degrees F |
| Maximum Static Pressure | 1 in wc |
| Motor Efficiency | Standard-Efficiency Motors |
| Motor Enclosure Design | Open Dripproof (ODP) |
| Motor HP | 1/4 |
| Motor HP - Roof Ventilators | 1/4 hp |
| Motor Speed | 1,725 RPM |
| Motor Voltage | 115/208/230 |
| Mount Type | Roof Curb |
| Mounting Location, Mounting Location - Roof Ventilators | Roof |
| Mpn | 2RB59 |
| Number of Speeds, Phase | 1 |
| Propeller Shaft Diameter, Shaft Dia. Wheel End | 3/4 in |
| Recommended 12 In. Fixed Curb Item No. | 2RB75 |
| Recommended 8 In. Fixed Curb Item No. | 4HX38 |
| RPM | 1710 |
| SKU | ZO-G1621593 |
| Sones @ 0.125-In. SP @ 5 Ft., Sones @ 0.250-In. SP @ 5 Ft. | 11.0 |
| Sones @ 0.500-In. SP @ 5 Ft. | 10.3 |
| Sound Level | 10.0 sones @ 0.625 in SP and 5 ft, 10.3 sones @ 0.500 in SP and 5 ft, 10.6 sones @ 0.375 in SP and 5 ft, 11.0 sones @ 0.125 in SP and 5 ft, 11.0 sones @ 0.250 in SP and 5 ft, 11.1 sones @ 0.000 in SP and 5 ft, 9.3 sones @ 1.000 in SP and 5 ft, 9.5 sones @ 0.875 in SP and 5 ft, 9.8 sones @ 0.750 in SP and 5 ft |
| Spark Resistant Construction Type | A |
| UPC | 190735229460 |
| Voltage - Roof Ventilators | 115V AC/208V AC/230V AC |
| Wheel Dia., Wheel Diameter | 11 in |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined Centrifugal |