Brochure

Ceiling Diffusers - Steel
28
Engineering Data on Page 99 (20 only)
19 Damper
• Steel construction
• Opposed-blade damper
• Bright White finish
• Duct-mount only
Note: 3/16” Hex Damper handle
(by others) will lock into position if
inserted too far into damper
19 Damper Listed Sizes (in.)
Damper 6 8 10 12 14 15 16 18
S 5
15
/16 7
15
/16 9
15
/16 11
15
/16 13
15
/16 14
15
/16 15
15
/16 17
15
/16
P 3 3
1
/2 4
9
/16 4
9
/16 4
9
/16 4
9
/16 4
9
/16 4
9
/16
20 Round Diffuser
• Steel construction
• For ceiling or exposed duct
installation
• Five-step positioning of air pattern
adjustment
• 360-degree pattern, horizontal to
vertical pattern change
• Removable center core
• Diffuser outer shell fastens directly
to duct; margins fit tight to ceiling for
optimum ceiling appearance
• Optional #19 damper; duct-mount
only
• Bright White finish
Listed
Size
A B C
Pos. 1
C
Pos. 2
6 6-1/2 11-1/8 1-1/8 1-3/4
8 8-1/2 14-3/4 1-1/2 2-1/8
10 10-1/2 18-1/4 2-1/8 2-7/8
12 12-1/2 22 2-3/8 3-1/8
14 14-1/2 26 2-5/8 3-3/8
16 16-1/2 29 3-1/4 4
18 18-1/2 33-1/2 3-7/8 4-3/4
Ceiling Diffusers - Steel