Assertion: tank style water heater | /r/CapableOf | approach eight to 10 years of age
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Source sentences:
text: When a tank-style water heater approaches eight to 10 years of age, or a tankless water heater approaches 15 to 18 years of age, it’s time to start thinking about replacing it—not only to avoid the annoyance of breakage and the inconvenience of having no hot water, but also to minimize energy consumption.