Installation & Operation Manual
24
4
Sidewall direct venting
2. Place wall penetrations to obtain minimum clearance
of 12 inches (305 mm) between vent pipe and adjacent
air inlet, as shown in FIG. 4-4 for U.S. installations. For
Canadian installations, provide clearances required by
CSA B149.1 Installation Code.
3. The air inlet of a Power-fin is part of a direct vent
connection. It is not classified as a forced air intake
with regard to spacing from adjacent boiler vents.
12" MIN
12" MIN
48" MAX
12"
12"
12"
AIR
VENT
DIR# 2000539531
Figure 4-4 Multiple Vent Terminations (must also
comply with Figure 4-1)
DIRECT VENT TERMINATIONS
Air Inlet
Vent Termination
Dryer Inlet
Straight
90° Elbow
Mitered
23° Elbow
Figure 4-5 Direct Vent Terminations
ROOM AIR (DIRECT EXHAUST TERMINATIONS)
Vent Termination
23° Elbow
45° Elbow
90° Elbow
Figure 4-6 Room Air (Direct Exhaust Terminations)
Room air
The Power-fin boiler may be installed with a single pipe carrying
the flue products to the outside while using combustion air
from the equipment room.
Follow the requirements in the General Venting, Sidewall
Direct Venting, and Vertical Direct Venting sections for vent
material specifications, vent length requirements, and vent
termination requirements.
