Warnings And Cautions - A.O. Smith 12 40GPC T 100 Service Handbook

Fire or Explosion Harzard
Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
Avoid all ignition sources if you smell Natural or LP gas.
Do not expose water heater control to excessive gas
pressure.
Use only gas shown on rating plate.
Maintain required clearances to combustibles.
Keep ignition sources away from faucets after extended
period of non-use.
Read instruction manual before
installing, using or servicing
water heater.
Improper installation and use may result
in property damage.
Do not operate water heater if flood damaged.
Install in location with drainage.
Fill tank with water before operation.
Be alert for thermal expansion.
Refer to instruction manual for installation and service.
4
Breathing Hazard - Carbon Monoxide Gas
Install vent system in accordance with
codes.
Do not operate water heater if flood
damaged
Heater should not be installed for High
Altitude operation above 10,100 feet
(3,078 m).
Do not operate if soot buildup.
Do not obstruct water heater air intake
with insulating jacket.
Do not place chemical vapor emitting
products near water heater.
Gas and carbon monoxide detectors
are available.
Breathing carbon monoxide can cause brain damage or death.
Always read and understand instruction manual.