Ridge Ventilator
Technical Data and Specifications
DIMENSIONS (In Inches)
Throat* A B C D E
9 13 21-1/4 14-1/2 18 28-1/4
12 17 28-1/2 18 22 33
SHIPPING WEIGHTS
Size Boxed Standard
Crated		 Pkg.Size
9" 124 lbs 207 lbs 124-1/2" x 19-1/2" x 30-1/2"
12" 148 lbs 223 lbs 124-1/2" x 23" x 35"
* Other sizes available upon request

Chain-operated damper utilizes a rugged sash chain through chain locking device. Damper is spring-loaded to open and can be adjusted to any opening from fully open to fully closed. Optional operator packages for multiple units or wall operation are available. (See below.)
PREFORMANCE DATA
Throat Size Vent Above Ground CFM
9" 10'
20'
30'
40'
 1572
2085
2775
3248
12" 10'
20'
30'
40'
 2810
3240
3590
3860
Assumes 10 Temperture differential and 5 mph wind speed
Operable dampers can also be provided with electrical or pneumatic operators.

Installation Instructions in pdf format for printing and viewing

Flat Skirt Vent Installation Instructions: click here

Die Formed Skirt Vent Installation Instructions: click here

Return to Ridge Ventilators Description