- Home
- /
- Heating & Cooling
- /
- Roof Ventilators
- /
- Belt Drive Centrifugal Exhaust Vents
- /
- Downblast Less Drive Package, 16-3/4In
Dayton
Downblast Less Drive Package, 16-3/4In
Mfr # 4YU96
Zoro # G2780933
Item requires special delivery charges. A $50.00 per item surcharge will be applied.
$1,088.99
Item successfully saved to ''
Key Features
- Drive Package With Motor Included No
- Duty Rating - Roof Ventilators Hazardous Location
- Drive Type - Roof Ventilators Belt Drive
- Mounting Location - Roof Ventilators Roof
- Number of Speeds 1
Customers Also Purchased
- Brand Dayton
-
MFR #
4YU96
-
Zoro #
G2780933
- UPC # 190735339350
- Country of Origin United States
- Category Belt Drive Centrifugal Exhaust Vents
Dimensions
Base Size - Roof Ventilators | 26 in x 26 in |
Dimension C | 27 1/4 in |
Dimension B | 28 3/8 in |
Shaft Dia. Sheave End | 3/4 in |
Wheel Dia. | 16 3/4 in |
Recommended Damper Size (In.) | 19 x 19 |
Dimension D | 4 in |
Dimension A | 26 in |
Shaft Dia. Wheel End | 3/4 in |
Base Width | 26 in |
Overall Height | 29 in |
Base Height | 1.8 in |
Overall Dia. | 28 3/8 in |
Base Length | 26 in |
Overall Width | 27 1/4 in |
Overall Length | 28 3/8 in |
Base Dimension | 26 in Square |
Housing Width | 28.4 in |
Cutout Size | 21.5 in L x 21.5 in W |
Damper Size | 19 x 19 in |
Overall Diameter | 28 3/8 in |
Base Diameter | Not Applicable |
Wheel Diameter | 16 3/4 in |
Cutout Length | 21.5 in |
Housing Length | 28.4 in |
Propeller Shaft Diameter | 3/4 in |
Details
Item - Roof Ventilators | Downblast Ventilator |
Drive Package With Motor Included | No |
Duty Rating - Roof Ventilators | Hazardous Location |
Drive Type - Roof Ventilators | Belt Drive |
Mounting Location - Roof Ventilators | Roof |
Number of Speeds | 1 |
Standards | AMCA Sound and Air, UL/cUL 705 |
Motor HP Range | 1/4 to 1 |
Housing Material | Aluminum |
Max. Inlet Temp. | 180 Degrees |
Requires | Roof curb for new installations |
Item | Centrifugal Downblast Roof Exhaust Fan |
Drive Type | Belt Drive |
Wheel Material | Aluminum |
Mounting Location | Roof |
Recommended 8 In. Fixed Curb Item No. | 4HX40 |
CFM Range | 2555 to 4062 @ 0.0 in SP |
Recommended Damper Stock No. | 4HX66 |
Bearing Type | Sealed Pillow Block |
Includes | NEMA 1 Junction Box |
RPM Range | 865 to 1375 |
Recommended 12 In. Fixed Curb Item No. | 2RB77 |
Adj. 12 3/8"H Roof Curb Stock No. | 2ZV83 |
Adj. 6 3/8"H Roof Curb Stock No. | 4c454 |
Wheel Type | Backward Inclined |
Speed Controllable | No |
Features | Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, 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, Nema 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 and 4 Disconnects Available |
Material | Aluminum Blade with Aluminum Housing |
Application | Industrial and Commercial Buildings |
For Airflow (Dependent on Motor) | 1,624 cfm to 4,062 cfm |
For Air Type | Clean Air |
Minimum Airflow | 1,624 cfm |
Maximum Airflow | 4,062 cfm |
Noise Level @ 0.000 in SP @ 5 ft | 10 sones |
Power Source | Electric Motor |
Housing Material Fabrication | Spun |
Base Shape | Square |
Includes Motor | No |
Compatible Curb Manufacturer Part Number | 2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48 |
Minimum Motor Horsepower | 1/4 hp |
Resistance Properties | Weather Resistant |
Maximum Motor Horsepower | 1 hp |
Maximum Static Pressure | 1 1/2 in wc |
Brake Horsepower | 13/50 hp |
Spark Resistant Construction Type | A |
Electrical Connection | Power Cord |
Includes Drive Package | No |
Maximum Inlet Air Temperature | 180 Degrees F |
Maximum Fan Speed | 1,375 RPM |
Minimum Motor Speed | 865 RPM |
Assembly | Unassembled |
Mount Type | Roof Curb |
Sound Level | Fan RPM 1100: 15.3 sones @ 0.000 in SP and 5 ft, 14.7 sones @ 0.125 in SP and 5 ft, 14.1 sones @ 0.250 in SP and 5 ft, 13.8 sones @ 0.375 in SP and 5 ft, 13.5 sones @ 0.500 in SP and 5 ft, 13.0 sones @ 0.625 in SP and 5 ft, 12.5 sones @ 0.750 in SP and 5 ft, 12.0 sones @ 0.875 in SP and 5 ft, Fan RPM 1250: 17.9 sones @ 0.000 in SP and 5 ft, 17.4 sones @ 0.125 in SP and 5 ft, 17.0 sones @ 0.250 in SP and 5 ft, 16.6 sones @ 0.375 in SP and 5 ft, 16.3 sones @ 0.500 in SP and 5 ft, 16.0 sones @ 0.625 in SP and 5 ft, 15.6 sones @ 0.750 in SP and 5 ft, 15.2 sones @ 0.875 in SP and 5 ft, 14.9 sones @ 1.000 in SP and 5 ft, Fan RPM 1375: 21.0 sones @ 0.000 in SP and 5 ft, 20.0 sones @ 0.125 in SP and 5 ft, 19.6 sones @ 0.250 in SP and 5 ft, 19.2 sones @ 0.375 in SP and 5 ft, 18.9 sones @ 0.500 in SP and 5 ft, 18.6 sones @ 0.625 in SP and 5 ft, 18.4 sones @ 0.750 in SP and 5 ft, 18.0 sones @ 0.875 in SP and 5 ft, 17.6 sones @ 1.000 in SP and 5 ft, 17.2 sones @ 1.250 in SP and 5 ft, 15.4 sones @ 1.500 in SP and 5 ft, Fan RPM 865: 10.6 sones @ 0.000 in SP and 5 ft, 10.6 sones @ 0.125 in SP and 5 ft, 9.7 sones @ 0.250 in SP and 5 ft, 9.4 sones @ 0.375 in SP and 5 ft, 8.8 sones @ 0.500 in SP and 5 ft, Fan RPM 945: 12.6 sones @ 0.000 in SP and 5 ft, 12.0 sones @ 0.125 in SP and 5 ft, 11.5 sones @ 0.250 in SP and 5 ft, 11.2 sones @ 0.375 in SP and 5 ft, 10.7 sones @ 0.500 in SP and 5 ft, 10.0 sones @ 0.625 in SP and 5 ft |
Motor Location | Out of Airstream |
Maximum Motor Speed | 1,375 RPM |
Safety Features | Birdscreen, Windband |
For High-Static Pressure Applications | No |
Description
Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Mounting Location Roof, Wheel Diameter 16 3/4 in, Base Diameter Not Applicable, Base Length 26 in, Base Width 26 in, Base Shape Square, Minimum Airflow 1,624 cfm, Maximum Airflow 4,062 cfm, Maximum Motor Horsepower 1 hp, Minimum Motor Horsepower 1/4 hp, Minimum Motor Speed 865 RPM, Maximum Motor Speed 1,375 RPM, Maximum Static Pressure 1 1/2 in wc, For High-Static Pressure Applications No
Replacement Parts
Explore More Products
- DAYTON Downblast Vent, Belt Drive, 24-1/2 In 7A667
- DAYTON Downblast Vent, Belt Drive, 42 In 7AU97
- DAYTON Upblast Vent, 14-3/4 In, 208-230/460V 7A692
- DAYTON Downblast Vent, Belt Drive, 14-3/4 In 3HFL6
- DAYTON Downblast Vent, Belt Drive, 16-3/4 In 7AX54
- DAYTON Upblast Vent, 21-1/4 In, 208-230/460V 7YR25
- DAYTON Downblast Less Drive Package, 26-1/2In 5EFH9
- DAYTON Upblast Vent, 16-1/2 In, 208-230/460V 7A694
- DAYTON Hzd. Loc. Vent, 13-1/4 In, 230/460V 7HY44
- DAYTON Aluminum "Dia, 30.4"H Roof Fan w.Motor 56JN89
- DAYTON Sq Alu 26"L, 26"W Roof/Wall Exhst Fan 56JN91
- Dayton Belt Drive Centrifugal Exhaust Vents