When your water heater blow off valve is leaking, it is a sign of a potentially serious problem. In order to determine the proper course of action, perform a thorough diagnosis or call a licensed professional to service your boiler. Be very clear that a leaking blow off valve on a hot water heater is not something that will go away if you ignore it. Find the problem and fix it to avoid an even bigger problem later on.

If your boiler is leaking from the blow off valve, there are a few reasons why this could be happening. The first and most common reason is that the blow off valve itself is old, defective or both. If this proves to be the case you can simply replace the old blow off valve and this should fix the problem.

However, the reason why your boiler blow off is leaking water may have nothing to do with the valve itself malfunctioning. In fact, the blow off valve may be doing exactly what it is supposed to do in order to protect you and your boiler. Keep in mind that a build up of too much pressure could cause your boiler or pipes to explode.

There are many different reasons why there is too much pressure in your boiler system. You may be experiencing a bad expansion tank. Another common cause is setting the temperature too high that is creating steam in your system. Unless you have a great deal of experience working with boiler systems, call in a professional to diagnose the problem and repair whatever is wrong with your system.

There is a time to try and save money and be the hero and there is a time to call in the professionals. A problem with your boiler’s blow off valve is definitely a good time to call in the professionals.

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