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Poolking, your best swimming pool equipment manufacturer and supplier with more than 20 years experience.   ​​​​​​​  Email: sandy@poolking.co

how to remove pool filter drain plug

Author: PoolKing - Pool Sand Filter Manufacturers

Pool filters are an essential part of keeping your swimming pool clean and clear. They trap dirt and debris, allowing the water to flow through the filter and back into the pool. However, over time, these filters can become clogged, making it necessary to remove the pool filter drain plug. In this article, we will guide you on how to remove the pool filter drain plug safely and easily.

Understanding The Pool Filter Drain Plug

Before you attempt to remove the pool filter drain plug, it is essential to have an understanding of your filter system. The drain plug is a small part located at the bottom of the filter, which serves the function of draining water from the system.

The drain plug is usually made of plastic, brass or steel, and directly screwed into the filter. It comes with rubber gasket to prevent any water leakage. Removing the pool filter drain plug is necessary for cleaning and maintenance, and it is essential to follow the proper procedures to avoid damage.

Tools Needed

To remove the pool filter drain plug, you need a few basic tools, including:

1. A pair of pliers or a filter wrench

2. A pair of gloves

3. A cloth or towel to catch any spills

4. A bucket to catch the water that drains from the filter

5. A new gasket to replace the old one if needed

Step-by-Step Guide On How To Remove Pool Filter Drain Plug

Step 1: Turn off the pool pump

Before attempting to remove the drain plug, the pool pump needs to be switched off. This is to prevent water from rushing through the system and causing damage that may require costly repairs.

Step 2: Locate the drain plug

The drain plug is usually located at the bottom of the filter, and you may need to refer to the manufacturer's manual to locate it. Once you have found it, use a marker to mark its location, making it easier for you to locate it each time you need to remove it.

Step 3: Prepare the tools

Put on your gloves to protect your hands, and use a plier or a filter wrench to loosen the drain plug. If the plug is too tight, try using a lubricant.

Step 4: Remove the drain plug

Once you have loosened the drain plug, turn it slowly in an anti-clockwise direction, and remove it from the filter. Be careful not to damage the threads or any other parts of the filter. If the plug is stuck and cannot be removed, do not attempt to use more force; instead, seek professional help to avoid damaging the filter.

Step 5: Inspect the drain plug and gasket for damage

With the plug removed, inspect it and the gasket for any signs of damage, cracks, or wear and tear. If you notice any damage, replace the parts with new ones.

Step 6: Clean and reassemble

Clean the plug and the filter thoroughly to remove any debris, gunk or dirt that may have accumulated. Replace the drain plug with a new gasket if needed, and screw it back into place.

The Final Word

Pool filter maintenance is essential for keeping your pool clean and healthy. Removing the pool filter drain plug is a necessary part of the maintenance process. With the steps outlined above, you will be able to remove the drain plug safely, inspect it for damage, and clean and replace it when required. Always remember to follow the manufacturer's instructions to ensure you don't cause any damage to the filter or other parts of the system.

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a.Firstly you can tell me the pool size such as wide, length and depth.The circulation period is 4 hours,then we can use the pool volume divide by 4 to know the flow rate.Based on this we can know choose the suitable model for sand filter and pump.
b.Usually 4 meters can install a pool light.Both ends of the pool can install the ladders.
The basic filtration equipment can be chosen like above method.The other accessories can be fixed according to the using environment and requirement.
----Yes, they can. Silica sand is mainly used for filtration, while activated carbon is mainly used for adsorption. Silica sand is effective for higher water quality requirements. When use them together, silica sand should be placed on the bottom layer, and then activated carbon should be filled on the sand, but the cost of using two media is much higher.
After about 5~10days ,or when the reading of the pressure gauge on the pump side of the filter has increased by about 0.2bars since the last backwash , backwash the filter as follows:
1. Stop the pump
2.Close the valves on the suction and return lines.
3.Open the cover of the pump and empty the filter gasket .
4.Refit the cover
5.Open the valve to the drain outlet
6.Turn the lever to BACKWASH
7. Open the valves to the suction and return lines.
8.Start the pump .Rinse the filter for about 1 to 2 minutes until the water in the sight glass is clear .
NOTE : Any electric heater must be off .
9. Stop the pump
10. Turn the lever to RINSE , start the pump and rinse for about 15~30 seconds. Stop the pump and turn the lever to FILTER . This is the normal operating position .
11. Close the drain outlet valve and start the pump . Switch on the electric heater if any .
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Contact: Sandy

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