What are the signs of a hot water tank going bad?

Water heaters don’t last indefinitely. Even if it is serviced regularly, it will only last 8–12 years on average. If yours is ten years old or older, you must be aware of the warning signs that it is deteriorating. If you don’t, you have to live a few days without hot water while you wait for it to be replaced. Here are some common signs of a hot water tank going bad.