Exhaust Ventilator, 18 In, 208-230/460 V
| Number of Speeds | 1 |
|---|---|
| CFM @ 0.000-In. SP | 4578 |
| Mounting Location | Roof |
| Adj. 6 3/8"H Roof Curb Stock No. | 4c454 |
| CFM @ 0.875-In. SP | 2,579 |
| Max. Inlet Temp. | 120 deg F |
| Overall Height | 19 in |
| Max. Operating Amps | 3.8-3.4/1.7 |
| Propeller Material | Aluminum |
| Adj. 12 3/8"H Roof Curb Stock No. | 2ZV83 |
| Base Height | 1-3/4 in |
| CFM @ 0.500-In. SP | 3,660 |
| Dimension B | 35-1/4 in |
| Dimension A | 30 in |
| Recommended 8 In. Fixed Curb Item No. | 4HX41 |
| RPM | 1,750 |
| CFM @ 0.750-In. SP | 2,935 |
| Requires | Roof Curb for New Installation |
| Base Length | 30 in |
| Dimension C | 17-1/4 in |
| CFM @ 1.250-In. SP | 1,809 |
| Overall Dia. | 35-1/4 in |
| Base Top to Shroud | 6 1/4 in |
| CFM @ 0.250-In. SP | 4,141 |
| Sones @ 0.125-In. SP @ 5 Ft. | 28 |
| Sones @ 0.250-In. SP @ 5 Ft. | 29 |
| Dimension D | 6-1/4 in |
| Recommended Damper Stock No. | 4HX67 |
| Voltage | 208-230/460 |
| CFM @ 1.000-In. SP | 2,327 |
| Recommended 12 In. Fixed Curb Item No. | 2RB79 |
| Speed Controllable | No |
| Base Width | 30 in |
| Phase | 3 |
| CFM @ 0.125-In. SP | 4,349 |
| Shaft Dia. Propeller End | 5/8 in |
| CFM @ 0.625-In. SP | 3,357 |
| Includes | NEMA 1 Junction Box |
| Housing Material | Aluminum |
| Recommended Damper Size | 23 in x 23 in |
| Standards | AMCA Sound and Air, UL/cUL 705 |
| Motor HP | 1 hp |
| Item | Axial Downblast Roof Exhaust Fan |
| Max. BHP | 1.04 hp |
| Hz | 60 |
| CFM @ 0.375-In. SP | 3908 |
| Propeller Dia. | 18 in |
| Drive Type | Direct Drive |
| Features | Fully Rolled Baffle Bead for Stability and Ease of Transport With Spun Aluminum Hood Construction, Galvanized Steel Venturi, Inlet and Supports, NEMA 1 Junction Box Located in Motor Enclosure |
| Overall Length | 35-1/4 in |
| Overall Width | 35-1/4 in |
| Airflow @ 0.000 in SP | 4,578 cfm |
| Blade Material | Aluminum |
| Cutout Length | 25-1/2 in |
| Number of Blades | 4 |
| Propeller Shaft Diameter | 5/8 in |
| Base Shape | Square |
| Mount Type | Roof Curb |
| Blade Diameter | 18 in |
| Motor Enclosure | Totally Enclosed Air Over |
| Nameplate Voltage | 208/230/460V AC |
| Overall Diameter | 35.3 in |
| Current | 3.8-3.4/1.7 A |
| Electrical Connection | Power Cord |
| Maximum Inlet Air Temperature | 120 deg F |
| Assembly | Assembled |
| Exhaust Airflow @ 0.000 in SP | 4,578 cfm |
| Maximum Fan Speed | 1,750 rpm |
| Compatible Curb Manufacturer Part Number | 2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49 |
| Includes Drive Package | Yes |
| Sound Level | 28.0 sones @ 0.000 in SP and 5 ft, 28.0 sones @ 0.125 in SP and 5 ft, 28.0 sones @ 0.500 in SP and 5 ft, 28.0 sones @ 0.625 in SP and 5 ft, 29.0 sones @ 0.250 in SP and 5 ft, 29.0 sones @ 0.375 in SP and 5 ft, 29.0 sones @ 0.750 in SP and 5 ft, 31.0 sones @ 0.875 in SP and 5 ft, 31.0 sones @ 1.000 in SP and 5 ft, 31.0 sones @ 1.250 in SP and 5 ft, 31.0 sones @ 1.500 in SP and 5 ft, 31.0 sones @ 1.750 in SP |
| Brake Horsepower | 1.04 HP |
| Housing Material Fabrication | Spun |
| Maximum Static Pressure | 1.75 in wc |
| Housing Width | 35.3 in |
| Base Diameter | Not Applicable |
| Includes Motor | Yes |
| Damper Size | 23 in x 23 in |
| Motor Horsepower | 1 HP |
| Safety Features | Birdscreen |
| For High-Static Pressure Applications | No |
| Exhaust Airflow @ 0.125 in SP | 4,349 cfm |
| Frequency | 60 Hz |
| Exhaust Airflow @ 0.375 in SP | 3,908 cfm |
| Housing Length | 35.3 in |
| High-Efficiency Motor | No |
| Cutout Size | 25-1/2 in L x 25-1/2 in W |
| Exhaust Airflow @ 0.500 in SP | 3,660 cfm |
| For Air Type | Clean Air |
| Exhaust Airflow @ 0.250 in SP | 4,141 cfm |
| Supply Airflow @ 0.000 in SP | 4,578 cfm |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |