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okt . 12, 2024 05:13 Back to list

how to prime a submersible well pump

How to Prime a Submersible Well Pump


Priming a submersible well pump is an essential step that ensures the efficient operation of the pump, allowing it to draw water from the well effectively. Unlike surface pumps, submersible pumps are located underwater and require specific procedures to remove air from the system before they can function properly. Below is a detailed guide on how to prime a submersible well pump.


1. Safety First


Before starting, ensure you take necessary safety precautions. Turn off all power to the pump from the electrical panel. This can prevent accidental activation while you work. Additionally, wear appropriate protective gear, including gloves and goggles, to safeguard against water and electrical hazards.


2. Check the Well’s Components


Inspect the components of your well system, especially the pump and discharge pipe. Make sure there are no visible leaks or damages. A faulty valve or a damaged discharge pipe can lead to air entering the system, which will affect the performance of the pump.


3. Access the Pump


To prime your submersible well pump, you may need to access the well head. This could be a well cap or pitless adapter depending on your well's design. Carefully remove the cover, making sure not to allow any debris to fall into the well water. You may need a helper to hold the pipe if it is unwieldy.


4. Fill the Pump and Discharge Line


how to prime a submersible well pump

how to prime a submersible well pump

Locate the access point to fill the pump with water. Many submersible pumps have a specific inlet for this purpose. Fill the pump housing and discharge line with clean water. This will help eliminate any air trapped inside.


If you do not have a specific inlet, use a hose or funnel to pour water directly into the discharge pipe until it is full. Make sure to maintain water in the line without introducing air pockets, as these can hinder performance.


5. Create a Vacuum


Once the pump and discharge line are filled, you need to create a vacuum in the system to ensure that the pump can effectively draw water from the well. Turn the power back on and observe the pump's operation. If it runs without producing noise that indicates air suction, it is likely primed.


6. Monitor Operation


Keep an eye on the pump as it operates. It should start to draw water within a few minutes. Listen for any unusual sounds, which may indicate air still trapped in the system, or that the pump is struggling to draw water. If your pump fails to prime after several attempts, you may need to check for leaks in your system or consult a professional.


7. Replace the Well Cap


Once you confirm the pump is operating correctly, replace the well cap or cover securely to prevent contamination of the well.


Priming a submersible well pump can be straightforward if done carefully following these steps. Regular maintenance and monitoring of your well system will help in prolonging the life of your pump and ensuring a steady water supply. If in doubt, seeking assistance from a qualified technician is always a recommended choice.




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