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How to Winterize your Cartridge Filter System

In areas where freezing temperatures can be expected, it is important that you winterize your cartridge filter.
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In areas where sub-freezing temperatures can be expected, it is important that you winterize your cartridge filter. The process is very easy and will ensure that your filter will last a long period of time. There are a few simple steps to follow in this post that will help you ensure the Cartridge Filter System is winterized.

Cartridge Filter System Winterizing Tips

Cartridge Filter System
1

The first thing you need to do is to make sure the pump is off. Turn off any automatic controls or circuit breakers to make sure the system cannot inadvertently turn on. Disconnect the pump and drain out all of the water. Clean the basket of any leaves or debris.

Weekly Pool Maintenance Step 1
2

Next, you have to disconnect the filter hoses that are attached to the pool. This should be done after connecting a skimmer winterizing plate and winter return fitting plug, instructions can be found here. The hoses should be secured with clamps that can easily be removed with a screwdriver.

Pool Filter Hose Clamps
3

Any time your cartridge system is opened; air must first be bled from the filter using the air relief valve. Remove the filter cartridge and clean it according to your filter’s instruction manual. Let the cartridge dry completely.

4

The filter tank body should also be allowed to dry completely. Any excess water or moisture could cause mold to grow and create an unpleasant odor. Store the filter body, filter cartridge, the pump and hoses in a warm, dry area for the winter.

Failure to follow the above steps could cause the filter assembly to expand and crack. Make sure you protect your investment and properly winterize your filter system.

Pool Closing Kit

This Winter Closing Kit contains everything you need to close your pool this fall. It will condition the pool water and prevent algae growth throughout freezing winter months to ensure a sparkling clean pool.

Recommended Pool Closing Articles

COMMENTS 2
  • August 29, 2015 at 12:41 AM
    Roger E Sharp

    Is it wise to completely drain your pool for the winter? We live in Southeast Iowa if that helps with an answer.
    Thanks,

    • September 1, 2015 at 11:41 AM

      Hi Roger,

      Do not drain your above ground swimming pool for the winter, especially if you live in a colder area. The water gives the pool strength and protects the pool wall from wind damage.

      Also, if you drain the pool for an extended period, the vinyl liner will shrink and need to be replaced. Detailed pool closing instructions are available on the following page:
      How to Close Your Above Ground Pool

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