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Gravity Ventilator, Fan Size 48 In, Width 90 In, Depth 90 In, Overall Height 42 1/2 In, Base Width 54 1/2 In, Base Length 54 1/2 In, 7300/456 CFM/Throat Velocity @ 0.050-In SP Gravity Intake, 10882/680 CFM/Throat Velocity @ 0.100-In SP Gravity Relief, Max Intake CFM/Throat Velocity 20766/1240, Damper Size 49 x 49 In., Galvanized Steel Construction
  • Grainger Item #1WDN7 
    Price (ea.)$1,765.00
    BrandDAYTON 
    Mfr. Model #1WDN7 
    UNSPSC #40101604 
    Ship Qty. 1 
    Sell Qty. (Will-Call) 1 
    Ship Weight (lbs.)493.0 
    Availability Typically in Stock   
    Catalog Page No.4499  
    Country of Origin
    (Country of Origin is subject to change.)
    USA 
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ItemGravity Ventilator
Fan Size (In.)48
Width (In.)90
Depth (In.)90
Overall Height (In.)42-1/2
Base Width (In.)54-1/2
Base Length (In.)54-1/2
CFM/Throat Velocity @ 0.050-In. SP Gravity Intake7300/456
CFM/Throat Velocity @ 0.050-In. SP Gravity Relief7695/481
CFM/Throat Velocity @ 0.100-In. SP Gravity Intake10,324/645
CFM/Throat Velocity @ 0.100-In. SP Gravity Relief10,882/680
CFM/Throat Velocity @ 0.125-In. SP Gravity Intake11,542/721
CFM/Throat Velocity @ 0.125-In. SP Gravity Relief12,167/760
CFM/Throat Velocity @ 0.200-In. SP Gravity Intake14,600/912
CFM/Throat Velocity @ 0.200-In. SP Gravity Relief15,390/962
CFM/Throat Velocity @ 0.250-In. SP Gravity Intake16,323/1020
CFM/Throat Velocity @ 0.250-In. SP Gravity Relief17,207/1075
Max. Intake CFM/Throat Velocity20,766/1240
Construction MaterialGalvanized Steel
Recommended 6 3/8"H Roof Curb Item No.3C216
Recommended 12 3/8"H Roof Curb Item No.2ZV86
Recommended 12 In. Fixed Curb Item No.3AZJ6
Damper Size (In.)49 x 49
Recommended Gravity Backdraft Damper Item No.6WRK8
 

Required Accessories

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Brand:

DAYTON

Grainger Item #:

3C439

Price (ea.):

$669.00

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