Heatilator GCBC36LE Installation Instructions Manual page 6

NOTE: THIS APPLIANCE REQUIRES A 5 INCH B-VENT FOR OPERATION. NEVER DOWNSIZE PIPE.
a. Clearances. See Figure 4 for clearance information.
Vertical Termination Clearances
12-97
E. VENTING
Figure 4
Vertical Termination Vent Lengths
b. Vent Lengths. Various venting configurations are
shown in Figures 5 and 6 from which maximum vent
runs can be determined.
WARNING - RISK OF FIRE
ALWAYS MAINTAIN MINIMUM CLEAR-
ANCES OR GREATER AROUND THE
VENT SYSTEM. DO NOT PACK AIR
SPACES WITH INSULATION OR OTHER
MATERIAL.
THE HORIZONTAL RUN OF VENT MUST HAVE
A 1/4" RISE FOR EVERY 1 FT. OF RUN
TOWARDS THE TERMINATION. NEVER
ALLOW THE VENT TO RUN DOWNWARD.
THIS COULD CAUSE HIGH TEMPERATURES
AND MAY CREATE A FIRE HAZARD.
Figure 5
6i
WARNING
28887A