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Dayton ventilators are designed for continuous operation to exhaust general clean, foul air and odors. Typically used for short and/or average resistance duct work. Weather resistant ventilators feature housings constructed of heavy gauge aluminum with a rigid internal support structure, spun aluminum curb cap, a birdscreen and a steel drive frame. All ventilators are UL/cUL listed Standard 705.<br /><br /> Item: Downblast Ventilator<br /> Drive Type - Roof Ventilators: Direct Drive<br /> Duty Rating - Roof Ventilators: Standard<br /> Drive Package With Motor Included: Yes<br /> Voltage - Roof Ventilators: 115<br /> Motor HP - Roof Ventilators: 1/8<br /> Base Square Size - Roof Ventilators: 22" x 22"<br /> Number of Speeds: 1<br /> Mounting Location - Roof Ventilators: Roof<br /> Wheel Dia.: 13-1/4"<br /> Item - Roof Ventilators: Downblast Ventilator<br /> CFM @ 0.000-In. SP: 1043<br /> CFM @ 0.125-In. SP: 932<br /> CFM @ 0.250-In. SP: 796<br /> CFM @ 0.375-In. SP: 580<br /> Sones @ 0.125-In. SP @ 5 Ft.: 5.5<br /> Sones @ 0.250-In. SP @ 5 Ft.: 5.2<br /> Phase: 1<br /> Hz: 60<br /> Max. Operating Amps: 2.1<br /> Max. BHP: 0.06<br /> RPM: 860<br /> Base Height: 1-3/4"<br /> Overall Dia.: 24-3/8"<br /> Overall Height: 23-3/4"<br /> Shaft Dia. Wheel End: 1/2"<br /> Max. Inlet Temp.: 130 Degrees<br /> Housing Material: Spun Aluminum<br /> Wheel Material: Aluminum<br /> Wheel Type: Backward Inclined Centrifugal<br /> Speed Control: 48C172<br /> Speed Controllable: Yes<br /> Adj. 12 3/8"H Roof Curb Stock No.: 2ZV82<br /> Adj. 6 3/8"H Roof Curb Stock No.: 4C453<br /> Assembled/Unassembled: Assembled<br /> Recommended 12 In. Fixed Curb Item No.: 2RB76<br /> Recommended 8 In. Fixed Curb Item No.: 4HX39<br /> Agency Compliance: AMCA Sound & Air, UL/cUL 705, CSA Certified Motor<br /> Dimension A: 22"<br /> Dimension B: 24-3/8"<br /> Dimension C: 23-3/4"<br /> Dimension D: 4-3/8"