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
