Join Eric in this informative video as he demonstrates how to replace a leaking thermal expansion tank in a hydronic heating system. Eric shares essential tips for managing water drainage and explains the tank's components, including the air bladder, while addressing common issues like pinhole leaks. Watch as he installs a new, high-quality Italian-made tank, emphasizing the importance of reliable materials. This quick guide is perfect for homeowners and contractors looking to maintain their heating systems efficiently.