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2Installing Vent Pipe
Note: For termination cap installations only, go directly to Sec- tion E.
Note: Heat shields MUST overlap by
A. Clearances for the Vent Sections
•Top Vented Direct Vent Appliances
For all top vented, direct vent appliances, clearances to combustible materials from the venting system need to be maintained as shown in Figure 2.1.
•Rear Vented Direct Vent Appliances
See Figure 2.2.
Note: Refer to the appliance installation instructions for al- lowed vent lengths and configurations.
B. Penetrating a Wall
Wherever a combustible wall is penetrated, the hole must be framed with an interior wall shield
Figure 2.1 Horizontal Venting Clearances to Combustible Materi- als - Top Vent
Figure 2.3 Exterior Wall Hole
Heat
Shield
Wall
Shield
WALL
Note: Heat shields MUST overlap by a minimum of
3 in. (76 mm) top clearance
Heat
Shield
1 in. (25 mm) clearance bottom & sides
Figure 2.4 Interior Wall Shield
WARNING
Fire Risk Explosion Risk
Maintain vent clearance to combustibles as specifi ed.
•Do not pack air space with insulation or other materials.
Figure 2.2 Horizontal Venting Clearances to Combustible Materi- als - Rear Vent
Failure to keep insulation or other materials away from vent pipe may cause fi re.
Hearth & Home Technologies Inc. • Cinch Pipe & Term Caps • | 5 |