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  • DAYTON 

    Gravity Vent,36 In,Base 40 1/2 In Sq

  • Item # 1WDN5
  • Mfr. Model # 1WDN5
Gravity Vent,36 In,Base 40 1/2 In Sq
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Product Details

This hooded gravity roof ventilator is designed for nonpowered applications that require gravity ventilation. It can be used in conjunction with powered exhaust, supply fans, and reversible fans. It features a strong, weather tight hood constructed of interlocking, arched, galvanized steel panels.
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Technical Specifications

Item # 1WDN5
Mfr. Model # 1WDN5
UNSPSC #40101604
Catalog Page 2966
Shipping Weight 300.0 lbs
Country of Origin Varies *
Item Gravity Ventilator
Blade Dia. 36"
Base Square Size - Roof Ventilators 40-1/2" x 40-1/2"
Style - Roof Ventilators Low Profile
Item - Roof Ventilators Gravity Ventilator
CFM/Throat Velocity @ 0.050-In. SP Gravity Intake 4191/466
CFM/Throat Velocity @ 0.050-In. SP Gravity Relief 5128/570
CFM/Throat Velocity @ 0.100-In. SP Gravity Intake 5926/658
CFM/Throat Velocity @ 0.100-In. SP Gravity Relief 7251/806
CFM/Throat Velocity @ 0.125-In. SP Gravity Intake 6626/736
CFM/Throat Velocity @ 0.125-In. SP Gravity Relief 8107/901
CFM/Throat Velocity @ 0.200-In. SP Gravity Intake 8381/931
CFM/Throat Velocity @ 0.200-In. SP Gravity Relief 10,255/1139
CFM/Throat Velocity @ 0.250-In. SP Gravity Intake 9371/1041
CFM/Throat Velocity @ 0.250-In. SP Gravity Relief 11,466/1274
Overall Height (In.) 38
Depth (In.) 60
Width (In.) 68
Max. Intake CFM/Throat Velocity 11,634/1225
Construction Material Galvanized Steel
Recommended 6 3/8"H Roof Curb Item No. 4C455
Recommended 12 3/8"H Roof Curb Item No. 2ZV84
Recommended 12 In. Fixed Curb Item No. 3AZJ2
Damper Size (In.) 37 x 37
Recommended Gravity Backdraft Damper Item No. 3HHN1
Dimension A 40-1/2"
Dimension B 68"
Dimension C 60"
Dimension D 38"
Dimension E 22"
Dimension F 16"
Dimension G 11-1/2"
Dimension H 10-1/2"
* This product's country of origin is subject to change

Compliance and Restrictions

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