AUTOMATIC OPPOSED BLADE DAMPERS (AOBD)
3
68-0246
Fig. 2. AOBD-BM dimensions in in. (mm).
Fig. 3. IOBD dimensions in in. (mm).
3-5/8
(90)
M14849
2-1/8
(54)
3-1/4
(83)
2-3/8
(60)
LISTED DAMPER
WIDTH
WIDTH
5
(127)
HEIGHT
HEIGHT DIMENSIONS: 6, 8, 10, 12, OR 14 IN.
(152, 203, 254, 305, OR 356 MM).
TO ENSURE PROPER FIT, DAMPER HEIGHT
IS 1/8 IN. (3 MM) LESS THAN THE LISTED
HEIGHT DIMENSION.
WIDTH DIMENSIONS: 8, 10, 12, 14, 16, 18, OR 20 IN.
(203, 254, 305, 356, 406, 457, OR 508 MM).
TO ENSURE PROPER FIT, DAMPER WIDTH IS
3/16 IN. (5 MM) LESS THAN THE LISTED
WIDTH DIMENSION.
ADDITIONAL SIZES AVAILABLE (HEIGHT X WIDTH): 16X16, 16X18, 16X20, 18X18, 18X20, AND 20X20.
SIZES NOT AVAILABLE (HEIGHT X WIDTH): 10X8, 12X8, 12X10, 14X8, 14X10, AND 14X12.
LISTED DAMPER WIDTH = ACTUAL AIR DUCT WIDTH.
1
2
2
1
1
M14850
WIDTH
HEIGHT
LISTED
DAMPER
HEIGHT
2-1/8
(54)
7/8
(22)
1
(25)
2-1/4
(60)
2-1/4
(57)
MOUNTING TAB
3-1/4
(83)
2-1/16
(52)
HEIGHT DIMENSIONS: 4, 6, 8, 10, 12, OR 14 IN.
(102, 152, 203, 254, 305, OR 356 MM).
TO ENSURE PROPER FIT, DAMPER HEIGHT
IS 3/16 IN. (5 MM) LESS THAN THE LISTED
HEIGHT DIMENSION.
WIDTH DIMENSIONS: 8, 10, 12, 14, 16, 18, 20, 22,
24, 26, 28, OR 30 IN. (203, 254, 305, 356, 406,
457, 508, 559, 610, 660, 711, OR 762 MM).
TO ENSURE PROPER FIT, DAMPER WIDTH IS
1/8 IN. (3 MM) LESS THAN THE LISTED
WIDTH DIMENSION.
ADDITIONAL SIZES AVAILABLE (WIDTH X HEIGHT): 16X16, 18X16, 18X18, 20X16, 20X18, AND 20X20.
SIZES NOT AVAILABLE (WIDTH X HEIGHT): 8X10, 8X12, 8X14, 10X12, 10X14, AND 12X14.
LISTED DAMPER HEIGHT = ACTUAL AIR DUCT HEIGHT.
1
2
2
1
1
