ASX7-5-Installation Instructions
Never use pipe other than 5 inch
diameter. Never use PVC, ABS or any other
nonmetallic pipe for venting! To do so may result in
serious damage to the unit and or severe personal
injury or death!
Insert pipe through wall and fasten adaptor box in
place so that the pipe pitches downward 1/4 inch per
foot (21mm/m) toward the outside. Flash and/or caulk
9 inch pipe on outside wall. Install inlet air screen
assembly and fasten to 9 inch pipe with screws. Insert
a continuous length of 5 inch UL 1738 listed vent pipe
through the 6-1/4 inch opening. Position the pipe to
extend a minimum of 12 inches (305mm) beyond the
inlet air screen.
Seal the space between the vent pipe and 6-1/4 inch
opening of the combustion air inlet box using high
temperature silicone sealant. Install deector disk on
UL 1738 listed vent pipe 2-1/2 inches (63.5mm) from
inlet air screen and fasten with screws. Install vent
terminal provided with kit on end of UL 1738 listed vent
pipe, fasten with screws and seal joint (see Figure 5).
Connect ue pipe and combustion air pipe from
combustion air inlet box to unit following “Venting”
instructions on pages 7 and 8. Joint between UL 1738
listed vent pipe and single wall vent pipe must be sealed
with high temperature silicone sealant.
UL 1738 ue pipe should be installed so the arrows
indicating direction of airow on the vent pipe point
away from the unit.
Figure 5 - Horizontal Vent Termination
5