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why is my pool filter pressure so high

2023/11/03

Why is My Pool Filter Pressure So High?


Owning a pool is a pleasure, but it requires maintenance to keep it running efficiently. The pool filter is an important component that helps keep the water clean and sanitized. However, when the filter pressure is too high, it can cause problems for your pool's health and longevity. In this article, we will examine the reasons why your pool filter pressure may be high and what you can do to fix it.


Understanding Pool Filter Pressure


Pool filter pressure refers to the amount of force that the water is exerting on the filter. When the filter is clean, the pressure is low, and as the filter gets dirtier and clogged, the pressure will increase. The pressure gauge on the filter will show you the current pressure reading, and you will notice the pressure can fluctuate due to various factors.


Subheadings:


- Cause #1 - Dirty Filter

- Cause #2 - Oversized Pool Pump

- Cause #3 - Closed Valve or Backflow

- Cause #4 - Clogged Plumbing Lines

- Cause #5 - Equipment Malfunction


Cause #1 - Dirty Filter


One of the most common reasons for high pool filter pressure is a dirty filter. When the filter becomes clogged with dirt and debris, it restricts the flow of water, causing the pressure to increase. To remedy the situation, clean the filter by backwashing it, which means reversing the flow of water through the filter to flush out the debris. If this doesn't bring down the pressure, then it may be time to replace the filter element.


Cause #2 - Oversized Pool Pump


Another cause of high pool filter pressure is an oversized pool pump. If your pump is too large for your pool, it will create excessive pressure on the filter system, causing it to work harder than necessary. Check the pump’s specifications to ensure it is properly sized for your pool. You can replace the pump with a smaller one to reduce the pressure on the filter.


Cause #3 - Closed Valve or Backflow


A closed valve in the return line or the skimmer can cause high filter pressures. If the water cannot flow freely through the system, then the pressure will increase. If the pool has a backflow prevention valve, it may be stuck shut or partially closed, causing a high reading on the pressure gauge. To fix this, check all the valves in the system to ensure they are open and operating correctly.


Cause #4 - Clogged Plumbing Lines


Clogged plumbing lines in the pool system can also cause high filter pressure. If the pipes are blocked with debris, the water pressure will increase, causing strain on the filter system. To fix this, you may need to hire a plumber who can snake out the lines and remove any blockages. This may be a more complicated problem than the others, so allow a professional to take care of it.


Cause #5 - Equipment Malfunction


If none of the reasons listed above are the cause of your high pool filter pressure, then it is likely an equipment malfunction. Check the pump motor for damage, inspect the filter housing for cracks, and make sure the O-rings are seated properly. If you are unable to identify the problem, then consult a pool technician who can diagnose the issue.


Conclusion


In conclusion, high pool filter pressure is a common problem that can have various causes. It is crucial to understand the reasons behind it and fix the problem quickly to avoid damage to your pool's equipment. The solutions mentioned above should help you troubleshoot and fix this pesky problem. Remember, proper maintenance and regular cleaning are essential to keeping your pool in good condition.

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