Many water heaters feature an expansion tank to protect the system. Here's what a water heater expansion tank does and how you know if your system needs one.https://www.housedigest.com/img/gall...1731428483.jpg
Many water heaters feature an expansion tank to protect the system. Here's what a water heater expansion tank does and how you know if your system needs one.https://www.housedigest.com/img/gall...1731428483.jpg