8
31282 Rev Q
09/04
CALIBER B-VENT INSTALLATION INSTRUCTIONS
E. VENTING
WARNING - RISK OF FIRE!
Always maintain minimum clearances or greater around the vent system. Do not pack air spaces with insulation
or other material.
WARNING!
The horizontal run of vent must have a 1/4 in. rise for every 1 ft of run towards the termination. Never allow the
vent to run downward. This could cause high temperatures and may present a fire hazard.
Figure 5
Vertical Termination Clearances
Note:
This appliance requires a 5 in. B-Vent for operation.
Never
down size pipe.
1. Clearances
Vent clearances are per vent manufacturer’s specifications.
2. Vent Lengths
Various venting configurations are shown in Figures 5 and 6 from which maximum vent runs can be determined.
a.
No Elbows
See Figure 5.
b.
Elbows
You may have a 90-deg elbow directly off the top
of the appliance. See National Fuel Gas Code for
the maximum number of elbows allowed. Follow
the rule of maximum horizontal being 50% of
vertical, but not exceeding 20 ft. See Figure 6.
f i r e - p a r t s . c o m
