AirFlo 20 inch Motorized Backdraft Damper Shutter
- National Fan Co.
- Build Time:
- 7 to 10 Business Days ?
- Ships By:
- FedEx Ground
The product Build Time you see represented on this site is only a typical number of days the manufacturer states it needs to build the product(s) when ordered. Build times are based on business days (excludes weekends & holidays).
The build time does not include the time it will take to ship the order to you (the customer). If an order has multiple items and comes from multiple warehouses, you may receive part of your order on one day, and then receive the remaining part(s) of your order at a later date.
*Please be aware that seasonal demand of certain equipment may cause build times to run longer than what is typical.
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SERIES 3200M - INSIDE MOUNT
SERIES 3100M - OUTSIDE MOUNT
Blade Seals: Full length vinyl weather strip
Sturdily constructed from all aluminum extrusions.
Damper motor factory installed.
Maximum 8 sq. feet per motor.
Positive seal keeps leakage less than 1%.
Blades are 0.5" extruded aluminum with Vinyl gasket.
Double panel available 30" and up.
Standard multi products motor.
Please select Voltage by selecting from the drop-down box above.
NOTICE: NON-STANDARD SHUTTERS ARE NON-RETURNABLE AND CANNOT BE CANCELLED
NOTE: Shutters are designed to be opened BEFORE turning the fan on.
Dimensions: 23" x 23" x 8.5"
Rough In-Opening Dimensions: 20" x 20"
- Model No.:
- SR3120X20 -1MTRHP -115V -RUSH
- Made In U.S.A.:
- Dampers, Shutters & Weather Hoods
- Blade Material:
- Limited Warranty:
- 1 Year Limited
Notice: Manufacturer's products features and specifications are subject to change without notice.
California Residents: WARNING- This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
QUESTIONS & ANSWERSAsk a Question
is this product Miami dade approved
These damper units are not Miami-Dade approved.
Does this shutter come with motor
Yes, this is a motorized shutter (shutter and motor).
Do you have this damper outside motor mount with an end switch?
The actuator motor must be on the inside of the building.