- Country of Origin:
- United States
- Item - Roof Ventilators:
- Downblast Ventilator
- Drive Package With Motor Included:
- Yes
- Duty Rating - Roof Ventilators:
- Standard
- Drive Type - Roof Ventilators:
- Direct Drive
- Mounting Location - Roof Ventilators:
- Roof
- Number of Speeds:
- Variable
- Voltage - Roof Ventilators:
- 115V AC
- Motor HP - Roof Ventilators:
- 3/4 hp
- Base Size - Roof Ventilators:
- 26 in x 26 in
- CFM @ 0.000-In. SP:
- 1948/2412/2875
- Adj. 12 3/8H Roof Curb Stock No.:
- 2ZV83"
- Drive Package Included:
- Yes
- Dimension C:
- 23 3/4 in
- Drive Type:
- Direct Drive
- Dimension A:
- 26 in
- Motor Voltage:
- 115
- Sones @ 0.125-In. SP @ 5 Ft.:
- 9.4/13.2/18.0
- CFM @ 0.625-In. SP:
- 1164/1919/2487
- Overall Height:
- 25 1/2 in
- Base Square Size - Roof Ventilators:
- 26 x 26""
- Shaft Dia. Wheel End:
- 5/8 in
- Max. BHP:
- 0.24/0.46/0.79 hp
- Base Width:
- 26 in
- Motor HP:
- 3/4
- Housing Material:
- Aluminum
- Speed Control:
- 43Y140
- CFM @ 1.250-In. SP:
- -/-/1910
- Wheel Type:
- Backward Inclined
- CFM @ 1.000-In. SP:
- -/1355/2191
- Sones @ 0.500-In. SP @ 5 Ft.:
- 8.0/12.0/16.8
- Base Length:
- 26 in
- Recommended 12 In. Fixed Curb Item No.:
- 2RB77
- Sones @ 0.250-In. SP @ 5 Ft.:
- 9.0/12.9/17.4
- Wheel Material:
- Aluminum
- CFM @ 0.750-In. SP:
- -/1777/2396
- Base Height:
- 1 3/4 in
- Item:
- Centrifugal Downblast Roof Exhaust Fan
- Overall Dia.:
- 28 3/8 in
- Max. Operating Amps:
- 10.1
- CFM @ 0.875-In. SP:
- -/1611/2299
- RPM:
- 1050/1300/1550
- Phase:
- 1
- Dimension D:
- 4 in
- Dimension B:
- 28 3/8 in
- CFM @ 1.500-In. SP:
- -/-/1297
- Max. Inlet Temp.:
- 130 Degrees
- CFM @ 0.125-In. SP:
- 1833/2318/2797
- CFM @ 0.250-In. SP:
- 1719/2228/2719
- Recommended 8 In. Fixed Curb Item No.:
- 4HX40
- Includes:
- NEMA 1 Junction Box
- Motor Type:
- Electronically Commutated
- Adj. 6 3/8H Roof Curb Stock No.:
- 4c454"
- Assembled/Unassembled:
- Assembled
- CFM @ 0.500-In. SP:
- 1418/2033/2566
- Hz:
- 60
- CFM @ 0.375-In. SP:
- 1590/2135/2644
- Speed Controllable:
- Variable Speed
- Agency Compliance:
- AMCA Sound & Air, UL/cUL 705
- Wheel Dia.:
- 14 3/4 in
- Mounting Location:
- Roof
- Standards:
- AMCA Sound and Air, UL/cUL 705
- Overall Length:
- 28 3/8 in
- Overall Width:
- 28 3/8 in
- Application:
- Industrial and Commercial Applications
- Features:
- 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, High-Efficiency Brushless Dc Motor, Motor Features Potentiometer Dial for Speed Adjustment,
- Spark Resistant Construction Type:
- A
- Motor Horsepower:
- 3/4 hp
- Propeller Shaft Diameter:
- 5/8 in
- Electrical Connection:
- Power Cord
- Base Diameter:
- Not Applicable
- Assembly:
- Assembled
- Includes Motor:
- Yes
- Exhaust Airflow @ 0.375 in SP:
- 2,644 cfm
- Maximum Inlet Air Temperature:
- 130 Degrees F
- Housing Material Fabrication:
- Spun
- Maximum Ambient Temperature:
- 130 Degrees F
- Damper Size:
- 19 x 19 in
- Mounting Orientation:
- Vertical
- Compatible Speed Control:
- 43Y140
- Cutout Length:
- 21.5 in
- Brake Horsepower:
- 6/25 hp
- Frequency:
- 60 Hz
- Airflow @ 0.000 in SP:
- 2,875 cfm
- Base Shape:
- Square
- Safety Features:
- Birdscreen, Windband
- Nameplate Voltage:
- 115V AC
- Housing Width:
- 28.4 in
- Exhaust Airflow @ 0.000 in SP:
- 2,412 cfm
- Maximum Fan Speed:
- 1,550 RPM
- Mount Type:
- Roof Curb
- Overall Diameter:
- 28 3/8 in
- Housing Length:
- 28.4 in
- Exhaust Airflow @ 0.125 in SP:
- 2,797 cfm
- Exhaust Airflow @ 0.250 in SP:
- 2,719 cfm
- Wheel Diameter:
- 14 3/4 in
- Sound Level:
- 9.4 sones @ 0.125 in SP and 5 ft, 9.0 sones @ 0.250 in SP and 5 ft, 8.5 sones @ 0.375 SP and 5 ft, 8.0 sones @ 0.500 in SP and 5 ft, 7.3 sones @ 0.625 in SP and 5 ft, Fan RPM 1050"
- Cutout Size:
- 21.5 in L x 21.5 in W
- For Air Type:
- Clean Air
- High-Efficiency Motor:
- Yes
- Includes Drive Package:
- Yes
- Compatible Curb Manufacturer Part Number:
- 2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
- For High-Static Pressure Applications:
- No
- Current:
- 10.6 A
- Maximum Static Pressure:
- 1 1/2 in wc
- Exhaust Airflow @ 0.500 in SP:
- 2,566 cfm
- Package Quantity:
- 1