A.O. Smith GAS WATER HEATER, Инструкция по установке и руководство по эксплуатации и уходу

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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.
Fire or Explosion Harzard
Hydrogen gas can be produced in a hot water system after
a period of non-use (generally two or more weeks).
Hydrogen gas is extremely flammable and can ignite.
To return hot water system to service, open a hot water
faucet in kitchen for several minutes before using electrical
appliances.
Do not smoke or have open flame near faucet while it is open.
Leave hot water faucet open until the sound of escaping
air stops.
After extended period of non-use,
purge gases from hot water system.