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

why is the pressure on my pool filter low

Introduction:

A swimming pool is a great addition to any home, providing a place to relax and cool off during hot summer months. However, a pool requires maintenance to remain safe and clean for swimming. One critical component of pool maintenance is the pool filter. The pool filter removes dirt and debris from the water to keep it clean and clear. It is essential to ensure that the filter is working correctly to maintain the quality of the pool water. One common issue that pool owners may face is low pressure on their pool filter. In this article, we will explore why the pressure on your pool filter may be low, and what you can do to fix it.

1. What Does Low Pressure on a Pool Filter Mean?

The pressure on your pool filter is an essential indicator of the filter's effectiveness. When the pressure is too low, it means that the filter is not working correctly, and water is not flowing through it at the correct speed. This situation can cause dirt and debris to accumulate in the pool water, making it cloudy and unsanitary.

2. Causes of Low Pressure on a Pool Filter

There could be various reasons why the pressure on your pool filter is low. These include:

- Blockage in the filter or pump

- Clogged skimmer baskets

- Damaged or worn out impeller

- Old or dirty filter cartridge

- Leaks in the pool vacuum hose or pump

3. How to Fix Low Pressure on a Pool Filter?

If you notice the pressure on your pool filter is low, the first step is to investigate the cause of the problem. Here are some steps you can take to fix the issue:

- Check for blockages: Make sure there are no obstructions in the filter or pump that are causing low pressure. Check the intake and outlet valves of the pump to ensure there are no clogs or debris in them.

- Clean the skimmer basket: Make sure the skimmer basket is clear of debris, as clogged baskets can cause low pressure in the pool filter.

- Inspect the impeller: If the impeller is damaged or worn out, it will not function correctly, causing low pressure in the filter. Check the impeller regularly and replace it if necessary.

- Replace the filter cartridge: A dirty or old filter cartridge can clog easily, causing the pressure in the pool filter to drop. Replace the filter cartridge regularly to prevent this problem.

- Check for leaks: Leaks in the pool vacuum hose or pump can cause an air leak, causing low pressure in the filter. Inspect these components regularly for leaks and replace them if necessary.

4. Maintaining Your Pool Filter

Regular maintenance is essential to keep your pool filter working correctly. Here are some tips for maintaining your pool filter:

- Clean the filter regularly: Keeping the filter clean is key to maintaining the proper water flow and pressure. Follow the manufacturer's instructions for cleaning your pool filter.

- Check the water chemistry: Proper water chemistry can reduce the amount of debris that accumulates in the pool water and the filter. Check your pool's pH, chlorine levels, alkalinity, and calcium hardness regularly and make adjustments as needed.

- Replace the filter cartridge: A dirty or old filter cartridge can reduce the effectiveness of the filter, causing low pressure in the pool filter. Replace the filter cartridge regularly to prevent this problem.

- Inspect the pool vacuum hose: Make sure the pool vacuum hose is not damaged or leaking, as this can cause low pressure in the filter.

- Hire a professional: If you are not comfortable with pool maintenance, consider hiring a professional to inspect and maintain your pool filter regularly.

Conclusion:

A pool filter is essential to keep your pool water clean and clear. Low pressure in the pool filter can be an indicator of a problem that needs attention. By following the tips above, you can maintain your pool filter effectively and prevent low pressure issues. If you are unsure of how to fix a low-pressure problem, or if the issue persists after your own inspections, consider hiring a professional pool maintenance service to assist you.

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a. Power failure or motor protection tripped
b. Pump doesn't vent
c. Pump doesn't fill the water
d. Suction line/hose leaking
e. Transparent cover not properly installed - check filter basket - even bolts
f . Inlet suction process is too large g.) Total resistance loss exceeds the allowable range of the pump - recalculate the required pressure
h. Mechanical shaft seal leakage
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 .
Best Best Quality production environment Factory Supplier
Poolking Best Best Quality production environment Factory Supplier
Poolking Best Quality production environment Factory
---Poolking has a professional Quality Control team to guarantee each product is 100% inspected before packing. For example when the filter inner tank comes out, they will make a first water testing before bobbin wounding. After installation all the connections or manhole & sightglass, they will make the second water testing. During the packing procedure, QC team will inspect all the details like wounding, neck, internal resin and so on to make sure no leaking and without flaw.
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Contact: Sandy

Email: sandy@poolking.co

Sales Hot line: +86-20-34982303

WhatsApp:+86-13922334815

Add: No. 80, Danan North Road, Dagang Village, Dagang Town, Nansha District, Guangzhou City (temporary business premises)

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