HOOD EXHAUST
into the room,
proceed to page 11.
OUTSIDE TOP EXHAUST (EXAMPLE ONLY)
ductwork installation.
DUCT PIECES
Equivalent lengths of duct pieces are based on actual tests and
* IMPORTANT: If a rectangular-to-round transition adaptor is used, the bottom corners of the damper
will have to be cut to fit, using the tin snips, in order to allow free movement of the damper.
OUTSIDE BACK EXHAUST (EXAMPLE ONLY)
ductwork installation.
DUCT PIECES
Equivalent lengths of duct pieces are based on actual tests and
NOTE: For back exhaust, care should be taken to align exhaust with space between studs, or wall
accommodate exhaust.
4
Installation Instructions
EQUIVALENT
LENGTH
(6
(3
x 10
1 4
NUMBER
x
USED
Total Length
EQUIVALENT
NUMBER
LENGTH*
x
USED
Total Length
=
LENGTH
=
41 Ft.
=
LENGTH
=
63 Ft.