Adj. 12 3/8"H Roof Curb Stock No. | 2ZV83 |
Adj. 6 3/8"H Roof Curb Stock No. | 4c454 |
Agency Compliance | AMCA Sound & Air, CSA Certified Motor, UL/cUL 705 |
Airflow @ 0.000 in SP | 2,523 cfm |
Application | Industrial and Commercial Applications |
Assembled/Unassembled, Assembly | Assembled |
Base Diameter | Not Applicable |
Base Dimension | 26 in Square |
Base Height | 1 3/4 in |
Base Length, Base Width | 26" |
Base Shape | Square |
Base Size - Roof Ventilators | 26 in x 26 in |
Base Square Size - Roof Ventilators | 26" x 26" |
Bearing Type | Sealed Pillow Block |
Brand | Dayton |
CFM @ 0.000-In. SP | 2523 |
CFM @ 0.125-In. SP | 2433 |
CFM @ 0.250-In. SP | 2347 |
CFM @ 0.375-In. SP | 2259 |
CFM @ 0.500-In. SP | 2166 |
CFM @ 0.625-In. SP | 2062 |
CFM @ 0.750-In. SP | 1943 |
CFM @ 0.875-In. SP | 1793 |
CFM @ 1.000-In. SP | 1602 |
Color | Silver |
Compatible Curb Manufacturer Part Number | 2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48 |
Current | 7.2/3.6 to 3.6 A |
Current Stock | 3 |
Cutout Length | 21.5 in |
Cutout Size | 21.5 in L x 21.5 in W |
Damper Size | 19 x 19 in |
Dimension A | 26 in |
Dimension B, Overall Dia., Overall Diameter, Overall Length, Overall Width | 28 3/8 in |
Dimension C, Overall Height | 25 3/8 in |
Dimension D | 4 in |
Drive Package Included, Drive Package With Motor Included, Includes Drive Package | Yes |
Drive Type | Belt-Drive |
Drive Type - Roof Ventilators | Belt Drive |
Duty Rating - Roof Ventilators | Standard |
Electrical Connection | Power Cord |
Exhaust Airflow @ 0.000 in SP - Range, Exhaust Airflow @ 0.500 in SP - Range | 2,000 to 4,999 cfm |
Exhaust Airflow @ 0.250 in SP | 2,347 cfm |
Exhaust Airflow @ 0.500 in SP | 2,166 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 Air Type | Clean Air |
High-Efficiency Motor, International Shipping, Speed Controllable | no |
Housing Length, Housing Width | 28.4 in |
Housing Material | Spun Aluminum |
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 | 0.17 hp |
Max. Inlet Temp. | 180 Degrees |
Max. Operating Amps | 7.2/3.6 |
Maximum Inlet Air Temperature | 180 Degrees F |
Maximum Static Pressure | 1 in wc |
Motor Efficiency | Standard-Efficiency Motors |
Motor Enclosure | Open Dripproof |
Motor Enclosure Design | Open Dripproof (ODP) |
Motor Horsepower, Motor HP - Roof Ventilators | 1/2 hp |
Motor HP | 1/2 |
Motor Location | Out of Airstream |
Motor Speed | 1,725 RPM |
Motor Voltage | 115/208/230 |
Mount Type | Roof Curb |
Mounting Location, Mounting Location - Roof Ventilators | Roof |
Mpn | 2RB64 |
Nameplate Voltage, Nominal Voltage | 115/208-230V AC |
Number of Speeds, Phase | 1 |
Propeller Shaft Diameter, Shaft Dia. Wheel End | 3/4 in |
Recommended 12 In. Fixed Curb Item No. | 2RB77 |
Recommended 8 In. Fixed Curb Item No. | 4HX40 |
Resistance Properties | Weather Resistant |
RPM | 1360 |
Safety Features | BIRDSCREEN, Windband |
SKU | ZO-G1757174 |
Sones @ 0.125-In. SP @ 5 Ft. | 14.3 |
Sones @ 0.250-In. SP @ 5 Ft. | 13.9 |
Sones @ 0.500-In. SP @ 5 Ft. | 13.1 |
Sound Level | 11.0 sones @ 1.000 in SP and 5 ft, 11.6 sones @ 0.875 in SP and 5 ft, 12.2 sones @ 0.750 in SP and 5 ft, 12.7 sones @ 0.625 in SP and 5 ft, 13.1 sones @ 0.500 in SP and 5 ft, 13.5 sones @ 0.375 in SP and 5 ft, 13.9 sones @ 0.250 in SP and 5 ft, 14.3 sones @ 0.125 in SP and 5 ft, 14.6 sones @ 0.000 in SP and 5 ft |
UPC | 190735229514 |
Voltage - Roof Ventilators | 115V AC/208V AC/230V AC |
Wheel Dia., Wheel Diameter | 14 3/4 in |
Wheel Material | Aluminum |
Wheel Type | Backward Inclined Centrifugal |