Friday, November 21, 2014

Diagnosing Pool Pump Air Leaks

Are you dealing with a pool pump that will not stay primed? One common problem with swimming pool pumps is that they can begin to leak over time, even though pumps are supposed to be air tight. If you are working on a pump which has a clear pump lid, you should not see any air inside the pump basket. Small air leaks are common, and rarely do you come across a pump with no air in the pump housing. As the air leak develops and becomes larger, this can cause issues with keeping the pump at full prime, as well as circulation issues with the pool itself.



The most common air leak is typically found where the male adapter meets the front of the pump. Air leaks in this area are typically due to bad thread sealant. A bad valve stem on a three-way valve is also a common area for air leaks. Other sources for air leaks include a loose or old pump lid, a fault in the pump lid O-ring, and even the drain plugs on the pump. Regardless of where the leak is coming from, all air leaks will originate prior to the pump impeller.



Now that we know where the possible air leaks can be found, how do we locate the exact source? One air leak detection method, as odd as it sounds, is to use shaving cream (foam, not gel) to locate the air leaks. Evenly spread shaving cream over the possible leak points on the pump, as well as the plumbing. At the air leak, you will start to see the layer of foam dimple as it gets pulled into the system, revealing the location of the air leak. At this point, you know which parts need to be fixed or replaced. Once the area of the leak is identified, simply rinse off the shaving cream with a water hose.

Once you have identified where the pump may be leaking, we recommend that you consult with your local pool professional as they will be able to provide you with additional insight that may help you determine the next steps to repair the leaks in your swimming pool pump. To find your local ASP – America’s Swimming Pool Company professional, visit our Locations page and make the call today!

20 comments:

  1. My sister is having troubles with her swimming pool pump, and we aren't quite sure what the problem could be. I think that it is nothing to worry about, but I could be wrong. If it is an air leak like you show above, we may need to have someone come look at it.
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  4. Pumps and the pipes associated with them are not supposed to have any leaks. It's important to find any leaks and fix them as soon as possible. Having a system with leaks means that the pump is having to work harder. I would suggest hiring a professional to come and fix or replace the pump. Not many of us have the proper knowledge to do it ourselves. http://www.contemporarypools.com/index.php/pool-equipment/

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