Alu 28 Dia 25.5 H Roof Fan w.Motor MPN:4YC73

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.

Technical Specifications

• Item Downblast Ventilator
• Drive Type - Roof Ventilators Direct Drive
• Duty Rating - Roof Ventilators Standard
• Drive Package With Motor Included Yes
• Voltage - Roof Ventilators 115V AC
• Motor HP - Roof Ventilators 1/4 hp
• Base Size - Roof Ventilators 26 in x 26 in
• Number of Speeds 1
• Mounting Location - Roof Ventilators Roof
• Wheel Dia. 16 3/4 in
• Item - Roof Ventilators Downblast Ventilator
• CFM @ 0.000-In. SP 2540
• CFM @ 0.125-In. SP 2344
• CFM @ 0.250-In. SP 2145
• CFM @ 0.375-In. SP 1913
• CFM @ 0.500-In. SP 1596
• Sones @ 0.125-In. SP @ 5 Ft. 10.0
• Sones @ 0.250-In. SP @ 5 Ft. 9.6
• Phase 1
• Hz 60
• Max. Operating Amps 5
• Max. BHP 0.26 hp
• RPM 860
• Base Height 1 3/4 in
• Overall Dia. 28 3/8 in
• Overall Height 23 3/4 in
• Shaft Dia. Wheel End 1/2 in
• Max. Inlet Temp. 130 Degrees
• Housing Material Spun Aluminum
• Wheel Material Aluminum
• Wheel Type Backward Inclined Centrifugal
• Speed Control 48C172
• Speed Controllable Yes
• Adj. 12 3/8"H Roof Curb Stock No. 2ZV83
• Adj. 6 3/8"H Roof Curb Stock No. 4C454
• Assembled/Unassembled Assembled
• Recommended 12 In. Fixed Curb Item No. 2RB77
• Recommended 8 In. Fixed Curb Item No. 4HX40
• Agency Compliance AMCA Sound, Air, UL/cUL 705, CSA Certified Motor
• Dimension A 26 in
• Dimension B 28 3/8 in
• Dimension C 23 3/4 in
• Dimension D 4 in
• Includes NEMA 1 Junction Box

Manufacturer Details

• Manufacturer: Dayton
• Condensed Mfg Number: 4YC73
• MPN: 4YC73

Label Details

• Hazardous Material: N
• Green Material Flag: N
• Country of Origin: US
• CA Prop 65 Wht Label: N

Classification Details

• Harmonization Code: 8414596560
• GDS Category Name: Centrifugal Downblast Roof Exhaust Fans with Motor
• GDS Family Name: Roof Ventilators
• GDS Segment Name: HVAC and Refrigeration
• UNSPSC: 40101502
• UNSPSC Class ID: 15
• UNSPSC Commodity Name: Ventilation
• UNSPSC Commodity ID: 02
• UNSPSC Commodity Name: Air exhausters
• UNSPSC Family ID: 10
• UNSPSC Family Name: Heating and ventilation and air circulation
• UNSPSC Segment ID: 40
• UNSPSC Segment Name: Distribution and Conditioning Systems and Equipment and Components

Shipping Details

• Not For Sale In: HI AK PR