Last Updated on March 20, 2025
Owning an RV is an adventure, but it comes with its own set of challenges, especially when it comes to maintaining the various systems within your mobile home. One common issue that RV owners face is a leaking water heater. A leaking water heater can be more than just a minor inconvenience; it can lead to significant water damage if not addressed promptly. In this article, we will delve into the reasons why your RV water heater might be leaking and how you can fix it. We found a great video from the RV Tips and Travels YouTube channel that goes over these issues.
1. Misconception About the Pressure Relief Valve
One common misconception is that a leaking pressure relief valve automatically means the valve is faulty and needs replacement. However, this isn't always the case. The pressure relief valve, also known as the temperature and pressure (T&P) valve, is designed to open when the tank's interior pressure or temperature exceeds safe levels. If you see it leaking, it might just be doing its job. Remember, if your water heater tank were to explode, it would make for a rather dramatic campsite story—albeit one you'd rather avoid!
2. Air Pocket Issues
Over time, the air pocket at the top of your water heater tank can diminish, causing the pressure to rise and the T&P valve to open. This is a normal part of the water heater's operation and can be easily fixed by reseating the valve. The process involves turning off your water heater, depressurizing the tank, and manually opening and closing the valve several times. If only fixing all of life's problems were this straightforward—just open and close a valve a few times and voilà!
3. Dirt or Calcium Deposits
Sometimes, dirt or calcium deposits can get stuck underneath the T&P valve, preventing it from sealing properly. This can cause a slow or steady drip. To fix this, you can try opening and closing the valve under pressure to flush out any debris. Just be careful not to get drenched in the process; unless, of course, you enjoy impromptu showers!
4. Worn-Out Valve
If your T&P valve is leaking and none of the above fixes work, it might just be worn out and in need of replacement. The good news is that replacing a T&P valve is relatively simple and inexpensive. Just make sure to apply Teflon tape correctly to avoid any further leaks. If only replacing our own worn-out parts were as easy and cheap as replacing a T&P valve!
5. Electrical Component Issues
If your T&P valve is in perfect working condition but still leaking, the issue might be with your water heater's thermostat, heating element, or control board. Diagnosing these issues is more complex and may require professional help. But hey, if you’re feeling adventurous, why not give it a try? Just think of it as an RV-themed episode of a detective show—minus the crime, of course.
For a more detailed explanation and visual guide, make sure to watch the entire video from RV Tips and Travels below. They provide an excellent step-by-step process to help you diagnose and fix your RV water heater leaks.
