P/N: 1WDN5 Key Specs
Item
GRAVITY VENT 36 IN BASE 40 1/2 IN SQ
OEM
DAYTON ELECTRIC MANUFACTURING CO
Condition
New OEM Original
Base Size - Roof Ventilators
40-1/2 in x 40-1/2 in
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
Construction Material
Galvanized Steel
Item - Roof Ventilators
Gravity Ventilator
Max. Intake CFM/Throat Velocity
11,634/1225
Overall Height (In.)
38 in
Recommended 12 3/8"H Roof Curb Item No.
2ZV84
Recommended 12 In. Fixed Curb Item No.
3AZJ2
Recommended 6 3/8"H Roof Curb Item No.
4C455
Recommended Gravity Backdraft Damper Item No.
3HHN1
Style - Roof Ventilators
Low Profile