In general, a traditional tank style water heater will last, on average, 8 to 12 years. If your water heater is more than 10 years old, you should consider replacing the unit.
Even if your water heater is in a location that will not cause damage. It is not recommended to wait till it springs a leak to replace it.
If your water heater is over 10 years old, do not take the chance of it rupturing and causing further damage to your home. let one of our professional installers install a new water heater today