12 30803 Rev X 08/04
CALIBER DIRECT VENT INSTALLATION INSTRUCTIONS
• Vertical Termination - see page 18
• Horizontal Termination - see below
2. Horizontal Termination
a. Clearances
See Figures 22 and 23 for clearance information.
Figure 22
Venting Clearances to Combustible Materials
(top vent)
Figure 23
Venting Clearances to Combustible Materials
(rear vent)
Figure 25
Vent Lengths with One Elbow
(2 ft vertical or more, 25 ft maximum)
b. Vent Lengths for Top Vent (for rear vent, see
pages 13-14)
Various venting configurations are shown in
Figures 24-27 from which maximum vent lengths
can be determined.
CAUTION:
Provisions shall be made to provide adequate com-
bustion and ventilation air.
Figure 24
Vent Lengths with One Elbow
(minimum vertical)
f i r e - p a r t s . c o m
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