Specify the code number from the selection chart. For information about available combinations, contact your Johnson Controls® Representative. (Not all combinations are available.)
FS-1620 standard 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.
Specification | Code Number | Field |
---|---|---|
Application |
T = Fire/Smoke |
T |
Blade Operation |
O = Opposed |
O |
Blade Type |
W = Triple-V |
W |
Heat-actuated Device |
L = 165°F actuation M = 212°F actuation H = 250°F actuation |
|
Actuator Type |
A = 120 VAC 250°F, Two-Position B = 24VAC 250°F, Two-Position C = 120 VAC 350°F, Two-Position D = 24 VAC 350°F, Two-Position O = Pneumatic 250°F, Two-Position P = Pneumatic 350°F, Two-Position |
|
Width Dimensions |
008 to 120, 1 inch increments |
- www x |
Height Dimensions |
007 to 096, 1 inch increments |
hhh |
Factory-installed Options |
See Factory Options list |
Example: TOWLA–020x020 is a Class II, 1 to 1/2 hour combination fire/smoke damper that has triple-vee blades, opposed blade operation, stainless steel bearings, dimensions are 20 inches wide x 20 inches high, with a 20 inch-long and 20 gauge sleeve, a 120 VAC electric actuator, and a 165°F electric fuse link.