We hope you’ve been scheduling preventive maintenance on your heater on a regular basis and calling for repairs when you have to. Taking these actions can extend the life of your heater. But no amount of care and maintenance can make a heater last forever. Eventually, you will have to replace it with a new one. If you’re unsure whether or not your heater is getting close to the end of its life, there are a number of ways to tell. Have a look at three of the most common signs that it’s getting close to time to replace your heater. If the heater is experiencing any of these conditions, consult with a professional and see about replacing it.