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20
30484 Rev Q
09/04
MAXUS DIRECT VENT HEATER
6. Vertical Termination
a.
Top and Rear Vent Clearances
See Figure 26 for clearance information.
b.
Top Vent Lengths
Various venting configurations are shown in
Figures 27-28 from which maximum vent runs
can be determined.
Figure 26
Vertical Termination Clearances
(Top Vent Shown)
Figure 27 - Vertical Termination Vent Lengths
Figure 28
Vertical Termination Vent Lengths
CAUTION:
Provisions shall be made to provide adequate
combustion and ventilation air.
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 al-
low the vent to run downward. This could cause high
temperatures and may create a fire hazard.
Starter
Elbow