08/04
30803 Rev X
13
CALIBER DIRECT VENT INSTALLATION INSTRUCTIONS
Figure 26
Vent Lengths with Two Elbows
Figure 27
Vent Lengths with Three Elbows
WARNING - RISK OF FIRE!
The horizontal run of vent must have a 1/4 in. rise for
every 1 ft of run towards the termination. Never al-
low the vent to run downward. This could cause high
temperatures and may create a fire hazard.
c.
Vent Lengths for Rear Vent
1)
No Elbows
The maximum horizontal run, with no vertical
sections of vent, is 18 in. from the back of the
appliance to the base of the cap. See
Figure 28.
2)
45-deg Elbow
For corner installations with horizontal
venting, a maximum of one 45-deg elbow
may be used. The maximum horizontal run
following the elbow is 18 in. to the base of
the cap. See Figure 29.
Figure 29
One 45-deg Elbow
Figure 28
No Elbows
f i r e - p a r t s . c o m