Boilers can last a pretty long time, even when compared to other heating systems. This is mainly because boilers have fewer moving parts, which means that they have fewer ways to develop problems. They aren’t invincible, though. Eventually, your boiler will get so old and worn out that you need to replace it. It’s a good idea to familiarize yourself with the signs that your boiler is reaching the end if its life, so that you can replace it before it breaks down completely. Read on for more information about when to replace your boiler.