Dayton 4YY10 30-1/2in Wheel Belt Drive Centrifugal Downblast Exhaust Fan
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The Dayton 4YY10 is a centrifugal downblast roof exhaust ventilator supplied less drive package, meaning the motor, drives and belts must be supplied separately. It has a 30-1/2 in (77.5 cm) impeller, a 42 in x 42 in (106.7 cm) square roof curb base and a 36 in (91.4 cm) overall height. The Fan Energy Index label lists efficiency boundaries of 11,119 CFM maximum airflow, 891 RPM maximum fan speed and 2.18 in. w.g. maximum static pressure. It is assembled in the USA from aluminum-finish sheet metal and ships with an internal motor mounting frame, rubber-isolated wheel/frame mounts, a ground lead and a hardware bag. This unit is new, open box, with cosmetic dents, scuffs and handwritten marks on the upper windband and shipping carton wear.
Product Specifications
| Brand | Dayton |
| MPN | 4YY10 |
| Fan Type | Centrifugal Downblast Roof Exhaust Ventilator |
| Drive Type | Belt Drive |
| Drive Package | Less Drive Package (motor/drives not included) |
| Impeller Diameter | 30-1/2 in (77.5 cm) |
| Base Dimensions | 42 in x 42 in (106.7 cm x 106.7 cm) |
| Overall Height | 36 in (91.4 cm) |
| Maximum Airflow | 11,119 CFM |
| Maximum Fan Speed | 891 RPM |
| Maximum Static Pressure | 2.18 in. w.g. |
| Type of Pressure | Static |
| Application | Clean Air |
| Mounting | Roof curb mount |
| Housing Material | Aluminum |
| Country of Origin | USA (Assembled) |