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General information
EQUIVALENT NUMBER
LENGTH LENGTH
DUCT PIECES
USED
EQUIVALENT
r*
5
* IMPORTANT:
x =
x =
x =
x =
x =
x =
x =
x =
S
x =
Total Du ctw ork = F t.
Maximum duct length:
Elbows, transions, wall and roof caps, etc.,
NOTE:
should not exceed 140 equivalent feet.
NOTE:
Also, make sure dampers swing freely and nothing is
blocking the ducts.
Exhaust connecon:
Do not use less than a 6"diameter
duct.
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