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16
4031-117 Rev I
02/04
NOVUS DIRECT VENT INSTALLATION INSTRUCTIONS
G. VENTING - VERTICAL TERMINATION
1. Rear Vent
(see page 17 for top vent)
a. Clearances
See Figure 29 for clearance information.
WARNING!
Always maintain minimum clearances or greater
around the vent system. Do not pack air spaces with
insulation or other material.
b. Vent Lengths
Various venting configurations are shown in Figure 30 from which maximum vent runs can be determined.
Figure 29 - Vertical Termination Clearances
WARNING!
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.
Figure 30 - Vertical Termination Vent Lengths
Note:
Horizontal runs will require the use of one vent
support (or metal plumbers strap) for every 5 of vent.