When it comes to your home’s plumbing, the expansion tank on your water heater is often overlooked—but it plays a vital role in keeping your system safe and efficient. This small component absorbs excess water pressure, protecting your water heater, pipes, and fixtures from damage. In this post, we’ll explore why expansion tanks are essential and how to tell if yours needs attention.
Why You Need an Expansion Tank:
As water heats up, it expands. In a closed plumbing system, where backflow prevention valves are in place, water has no place to go. This leads to increased pressure, which can damage your water heater, burst pipes, and cause leaks. The expansion tank absorbs this extra pressure, preventing costly repairs and extending the life of your plumbing system.
Signs Your Expansion Tank Is Failing:
- Leaks or Pooling Water
If you notice water around the expansion tank, it’s likely leaking. A damaged tank can’t manage pressure properly, which could lead to bigger problems. - High Water Pressure
Fluctuating or high water pressure may indicate the expansion tank is failing. You might also notice issues like sputtering faucets or water hammering in the pipes. - Strange Noises
Banging or popping sounds from your water heater could be a result of high pressure. This could be a sign that your expansion tank isn’t absorbing the excess pressure. - Pressure Relief Valve Leaks
If the T&P (Temperature and Pressure) valve on your water heater is discharging water frequently, it’s often due to excessive pressure caused by a failing expansion tank. - Waterlogged Tank
If the expansion tank feels full of water when tapped, it means the internal bladder has failed. A waterlogged tank can’t absorb pressure, leading to potential damage to your system.
Royal Flush Plumbing is Here to Help!
If you suspect your expansion tank is failing, don’t wait until a leak or burst pipe causes major damage.
Call Royal Flush Plumbing at 770-GO-ROYAL to schedule an inspection. We’ll make sure your expansion tank is working properly and your water heater stays safe for years to come.
