All dimensions are in inches.
Note:
Duct flanges mount 7-7/16" down inside
the curb on the 1½" curb flanges. See
recommended duct dimensions on the
next page.
Roofcurb is intended for downflow use
only.
40
Dimensional
Data
Downflow Unit Clearance
(20 Ton)
PKGP-PRC001-EN