Installation
Instructions
(cont'd)
Venting Through Roof- Clearances
•
0" clearance for 3" (or optional 2") PVC, ABS, or CPVC Schedule
40 piping from combustible surfaces.
•
The Power Vent outlet terminal shall terminate at least 18" above
the roof surface. Figure 5.
•
The location selection must provide clearances for servicing and
proper operation of the water heater. Figure4,
•
The venting system must be installed in a manner which allows
inspection of the installation of the venting pipes and joints as
well as periodic inspection after installation as required by ANSI
Standards.
18"
Figure 5_
11