If you've ever taken a peek at your water heater installation or talked to a plumber about it, you've probably had someone bring up an expansion tank to you. It may sound like some sort of extraneous add-on feature at first glance, but it's actually a fairly essential part of having the integrity of your plumbing system in your house. Read More: https://www.lockurblock.com/why-your-water-heater-needs-an-expansion-tank In this article, we will inform you, with the help of an expansion tank manufacturer, about what an expansion tank is, why you would want to install one, how it operates, and when you should install one on your hot water heater.