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how to winterize pool filter

2023/11/08

Author: PoolKing - Pool Sand Filter Manufacturers

How to Winterize Your Pool Filter: A Step-by-Step Guide


With the colder temperatures on the horizon, it's time to start thinking about winterizing your pool. Properly winterizing your pool filter will help prevent damage and ensure that it's in working order come spring. Here's a step-by-step guide on how to winterize your pool filter.


Subheading: What is Winterizing a Pool Filter?

Before we dive into the specifics of winterizing your pool filter, it’s important to understand what the process actually entails. Winterizing your pool filter involves preparing it for the winter season – or a season of disuse – by removing any water inside it and protecting it from freezing temperatures.


Subheading: What You’ll Need

Before beginning the winterizing process, make sure you have the following supplies on hand:

• Pool winterizing chemicals

• A pool cover

• A pool filter cleaner

• A filter air relief valve

• An air compressor


Subheading: How to Winterize a Sand Filter

To winterize a sand filter, follow these steps:

1. Turn off the pool pump and remove the pump lid.

2. Remove the drain plug from the bottom of the filter to allow all water to drain out.

3. Set the filter valve to "winterize" or "closed" position.

4. Remove the drain plugs from the strainer pot and any other parts that can collect water.

5. Using an air compressor, blow air through the return outlet to force all water out of the system.

6. Cover the pool with a winter cover.


Subheading: How to Winterize a Cartridge Filter

To winterize a cartridge filter, follow these steps:

1. Turn off the pool pump and remove the pump lid.

2. Remove the cartridges and use a pool filter cleaner to clean them thoroughly.

3. Reinstall the cartridges and the filter lid.

4. Open the air relief valve located on the filter.

5. Attach an air compressor to the valve and blow air through the system to push out any remaining water.

6. Cover the pool with a winter cover.


Subheading: How to Winterize a DE Filter

To winterize a DE filter, follow these steps:

1. Turn off the pool pump and remove the pump lid.

2. Remove the drain plug from the bottom of the filter to allow all water to drain out.

3. Remove the clamp that secures the lower half of the filter to the upper half.

4. Remove the filter grid assembly and rinse them with a garden hose.

5. Using an air compressor, blow out any remaining water in the system.

6. Reassemble the filter and replace the drain plug.

7. Cover the pool with a winter cover.


Subheading: When to Winterize Your Pool Filter

It’s best to winterize your pool filter when the water temperature consistently falls below 60 degrees. The exact timing will depend on where you live and the changing weather patterns in your area.


By following these steps, you can properly winterize your pool filter and ensure that it’s in good condition for the next swimming season. Remember to keep your pool cover on and check it periodically for any necessary adjustments. Happy winterizing!

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