Dayton Downblast Ventilation Fan

Open box item, Open box items may have minor dings and bends or scratches,     It is your responsibility to inspect all items on the day of delivery for any damage. Refuse delivery if the item you have inspected has arrived damaged. Please ensure to take photos of damage upon arrival. Again, Please refuse delivery if the item is damaged upon delivery. We are not responsible for items damaged during transit and freight deliveries. Please contact us if there is any issue with your item . ItemDownblast Ventilator Drive Type - Roof VentilatorsBelt Drive Drive Package With Motor IncludedNo Duty Rating - Roof VentilatorsHazardous Location Mounting Location - Roof VentilatorsRoof Base Size - Roof Ventilators22" x 22" Wheel Dia.13-1/4" Number of Speeds1 CFM Range1692 to 2093 @ 0" SP Motor HP Range1/4 to 1/2 Item - Roof VentilatorsDownblast Ventilator RPM Range1395 to 1725 Base Height1-3/4" Overall Dia.24-3/8" Overall Height24-7/8" Shaft Dia. Wheel End3/4" Shaft Dia. Sheave End3/4" Bearing TypeSealed Pillow Block Max. Inlet Temp.180 Degrees Housing MaterialSpun Aluminum Wheel MaterialAluminum Wheel TypeBackward Inclined Centrifugal Adj. 12 3/8"H Roof Curb Stock No.2ZV82 Adj. 6 3/8"H Roof Curb Stock No.4C453 Recommended 12 In. Fixed Curb Item No.2RB76 Recommended 8 In. Fixed Curb Item No.4HX39 Recommended Damper Size (In.)15 x 15 Recommended Damper Stock No.4HX65 RequiresRoof Curb For New Installations StandardsUL/cUL 705AMCA Sound & Air IncludesNEMA 1 Junction Box Dimension A22" Dimension B24-3/8" Dimension C24-7/8" Dimension D4-3/8"