A.O. Smith THR-160 Installation Instructions And Use & Care Manual page 13

• Failure to observe these warnings
could result in severe personal injury,
death, and/or property damage.
Ven ng/Combus on:
• Do not install the heater where water,
debris or fl ammable vapors may get
into the fl ue terminal. This may cause
damage to the heater and void the
warranty.
• Do not locate your heater in a pit or
loca on where gas and water can
accumulate.
• Do not install the exhaust vent for
indoor and outdoor models within
3 . (914 mm) of an overhang.
• Do not install the unit where the ex-
haust vent is poin ng into any open-
ing in a building or where the noise
may disturb your neighbors. Make
sure the vent termina on meets the
required clearance from any doorway
or opening to prevent exhaust from
entering a building. Check local code
requirements prior to installa on.
• Vent termina on must be at least 2
(610 mm) away from an inside corner
for both outdoor installa on and
direct-vent installa on.
Overhang
3
min.
Outside
corner
2 2
min. min.
Figure 1 - Over hang and Inside Corner
Restric ons
• Do not install next to a dryer or any
source of airborne debris that can be
trapped inside the combus on cham-
ber, unless the system is direct-vent-
ed. When direct vented, do not install
the air intake near the dryer vent or
any source of airborne debris.
• Do not common vent this water
heater with any other water heaters
or appliances.
Figure 2 - Minimum Vent Clearances (Indoor)
Inside
corner
Figure 3 - Minimum Vent Clearances (Outdoor Ven ng)
GETTING STARTED
Residen al Gas Tankless Water Heater Use and Care Guide • 13