How to fix boiler water leaks?


The safety valve on a water heater protects us from many non-visible dangers. The main threat is an explosion. Although they are rare, it may cause issues. If you notice a water leak from a T&P valve or water on the floor under the heater, or you see water leaking periodically and then you need to fix it. There are several reasons why the safety valve will allow moisture to escape, including that the municipal supply pressure may be too high, or the domestic system may be closed. Also, water heater leaking may occur because there could be a problem with temperature control. Testing the safety valve is a simple procedure that takes only a few minutes.

Ensure the drain outlet points are in a safe direction or into a drain receptacle in the ground. If it does not discharge into a receptacle, temporarily place a large metal container under the drain line outlet to catch excess and prevent splashing.

Over time it is normal for our water heater to begin to fail. Among them, water leaks in the hot water pipe are very common. We tell you how to repair water leaks of the boiler.

Is the boiler leaking?

Do you notice water under the boiler? If so, take a look with a flashlight or point of light and try to distinguish between these two options:

  • Water drips from a single point, specifically from a tube. It’s probably the safety valve. This can be caused by this part or by a defect in the expansion vessel (it is responsible for keeping the pressure constant when the heating works).
  • If the water comes out of the interior and it is not from the safety valve, or it is from several points. The damaged part or parts that are causing the pressure loss must be diagnosed and replaced.

These leaks, in general, are likely to occur because the water to be heated is too cold and, due to the shock of cold with heat condensation is generated inside the tank.

Fix leaks in your boiler tube quickly and easily

1:-Check your boiler closely to make sure the leak is coming from the tube.

2:-Close the gas tap, or if it is electric, turn off the circuit breaker and unplug it.

3:-Turn off the cold water supply.

4:-Connect a hose to the drain valve. This is usually located at the bottom of the heater.

5:-Unscrew the pipe connections. This will release water and pressure.

6:-Tighten the connections again with the help of a wrench.

7:-Protect the connecting threads with tape or sealant. If the pipes are made of copper, it will be necessary to replace the connections.


If the T&P relief valve is not working properly for any reason, shut off the electrical power or gas supply immediately and replace it. Using above methods you can easily solve problem of water heater leaking.

Conclusion: Finally, make sure that the valve connected to the inside of the tank is pressure-free. Otherwise, it will be necessary to change it.


Comments are closed.