Specify the code number from the selection chart. RT-2000 fire/smoke dampers are available in one inch increments. Actual damper size is 1/4 inch less than nominal. All Johnson Controls® damper dimensions are from the outside-edges of the damper frame.
All Johnson Controls Dampers are built to order, just in time, and cannot be returned due to customer ordering errors. All dampers are backed by a three-year warranty, which covers defects in materials or workmanship when used in our defined applications. Refer to terms and conditions of sale for specifics.