How to Plumb In an Expansion Tank on Water Heater (Step-by-Step Guide)

If your home has a closed-loop plumbing system—common in newer builds with backflow preventers or pressure-reducing valves—you’ve likely experienced rising water pressure after heating. This isn’t just annoying; it can damage pipes, valves, and even your water heater. That’s where learning how to plumb in an expansion tank on water heater becomes essential. Installing an…