80
All dimensions are in inches.
NOTE:
Duct flanges mount 7-7/16"
down inside the curb on the
1-1/2" curb flanges. See
recommended duct dimensions
on the next page.
Dimensional 10, 12½ Ton High Efficiency
Data 15, 17½ Ton Standard Efficiency
RETURN
SUPPLY
1 1/2" PERIMETER
CURB FLANGE
14 1/16"
1"
1"
1"
1 13/16"
7 7/16"
2"
66 5/8"
63"
55 1/2"
20 7/8"
17 1/8"
28 1/2"
102 1/4"
101 7/8"
7 1/2"
67"