How to Properly Maintain Your Pentair 5600 Water Softener: A Complete Guide

Water softeners are essential appliances in many households, helping to remove minerals such as calcium and magnesium from hard water. One popular model is the Pentair 5600, known for its efficiency and reliability. However, like any appliance, proper maintenance is crucial to ensure its longevity and effectiveness. In this article, we will provide a complete guide on how to properly maintain your Pentair 5600 water softener.

First and foremost, it is important to regularly check the salt levels in your water softener. The Pentair 5600 uses salt to regenerate the resin beads that remove minerals from the water. If the salt levels are too low, the softener will not be able to effectively remove minerals, leading to hard water in your home. Make sure to check the salt levels at least once a month and top up as needed.

Model Central tube Drain Brine tank connector Base Maximum power Operating temperature\u00a0
9500 1.9″(1.5″) O.D. 1″NPTF 3/8″& 1/2″ 4″-8UN 8.9W 1\u2103-43\u2103

In addition to checking the salt levels, it is also important to regularly clean the brine tank of your Pentair 5600 water softener. Over time, salt residue and other debris can build up in the tank, affecting the softener’s performance. To clean the brine tank, first, turn off the water softener and disconnect it from the power source. Then, remove any remaining salt and debris from the tank using a brush or vacuum. Finally, refill the tank with fresh salt before restarting the water softener.

Another important aspect of maintaining your Pentair 5600 water softener is to regularly check and clean the resin tank. The resin tank contains resin beads that attract and remove minerals from the water. Over time, these beads can become coated with minerals and debris, reducing their effectiveness. To clean the resin tank, first, turn off the water softener and disconnect it from the power source. Then, remove the resin tank and rinse it thoroughly with clean water. Once the tank is clean, reinstall it and restart the water softener.

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In addition to regular cleaning, it is also important to periodically check the settings of your Pentair 5600 water softener. The settings control the regeneration cycle of the softener, ensuring that it operates efficiently. If you notice any changes in water quality or pressure, it may be necessary to adjust the settings of the water softener. Refer to the user manual for instructions on how to properly adjust the settings of your Pentair 5600 water softener.

Lastly, it is important to schedule regular maintenance checks with a professional technician. While regular cleaning and checking can help prevent issues, a professional technician can identify and address any potential problems before they escalate. Schedule a maintenance check at least once a year to ensure that your Pentair 5600 water softener is operating at peak performance.


In conclusion, proper maintenance is essential to ensure the longevity and effectiveness of your Pentair 5600 water softener. By regularly checking salt levels, cleaning the brine and resin tanks, adjusting settings as needed, and scheduling maintenance checks with a professional technician, you can keep your water softener running smoothly for years to come. Follow the tips outlined in this guide to properly maintain your Pentair 5600 water softener and enjoy the benefits of soft, mineral-free water in your home.

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