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Exhaust Ventilator, Axial Direct Drive Downblast, CFM @ 0.000-In SP 2457, @ 0.125-In SP 2298, @ 0.250-In SP 2093, 16.2 Sones @ 0.250-In SP, Roof Mounting Location, Base Width 22 In, Base Length 22 In, Overall Height 18 1/4 In, Max Inlet Temp 120 F, Motor Voltage 115, 1 Phase, Max Operating Amps 4.4, Motor HP 1/2, 1140 RPM, Propeller Dia 14 In, Propeller Material Aluminum, Speed Controllable, Application General Purpose, Includes NEMA 1 Junction Box
  • Grainger Item #4YC90 
    Price (ea.)$873.00
    BrandDAYTON 
    Mfr. Model #4YC90 
    UNSPSC #40101502 
    Ship Qty. 1 
    Sell Qty. (Will-Call) 1 
    Ship Weight (lbs.)51.0 
    Availability Typically in Stock   
    Catalog Page No.4497  
    Country of Origin
    (Country of Origin is subject to change.)
    USA 
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ItemExhaust Ventilator
TypeAxial Direct Drive Downblast
Propeller Dia. (In.)14
CFM @ 0.000-In. SP2457
CFM @ 0.125-In. SP2298
CFM @ 0.250-In. SP2093
CFM @ 0.375-In. SP1875
CFM @ 0.500-In. SP1603
CFM @ 0.625-In. SP1381
CFM @ 0.750-In. SP1244
CFM @ 0.875-In. SP984
CFM @ 1.000-In. SP716
Sones @ 0.125-In. SP @ 5 Ft.7.5
Sones @ 0.250-In. SP @ 5 Ft.16.2
Voltage115
Hz60
Phase1
Max. Operating Amps4.4
Max. Operating Watts380
Motor HP1/2
Max. BHP0.41
RPM1750
Max. Inlet Temp. (Deg. F)120
Base Width (In.)22
Base Length (In.)22
Base Height (In.)1 3/4
Base Top to Shroud (In.)6 1/4
Overall Height (In.)16 1/2
Overall Dia. (In.)28 5/8
Mounting LocationRoof
Housing MaterialSpun Aluminum
Propeller MaterialAluminum
Shaft Dia. Propeller End (In.)1/2
Speed Control1DGV3
Speed ControllableYes
Agency ComplianceUL705
RequiresRoof Curb For New Installations
IncludesNEMA 1 Junction Box
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
 

Required Accessories

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Brand:

DAYTON

Grainger Item #:

4HX47

Price (ea.):

$273.75

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