How to Replace a Submersible Water Well Pump

Replacing a submersible water well pump can be a daunting task, especially for those who are not familiar with plumbing or electrical work. However, with the right tools and a bit of knowledge, you can tackle this project safely and effectively. In this article, we’ll guide you through the process of replacing a submersible water well pump step by step, ensuring that your water supply is restored as quickly as possible.

Understanding Your Submersible Well Pump

A submersible water well pump is designed to be submerged underwater, usually placed in a well casing. It works by pushing water to the surface through a pipe, making it an efficient solution for deep well applications. Over time, these pumps can wear out due to factors such as sediment buildup, corrosion, or mechanical failure.

Tools and Materials Needed

Before starting the replacement process, gather the necessary tools and materials

1. Replacement Pump Make sure to purchase the correct size and model that fits your well. 2. Pipe Wrench For loosening and tightening pipes. 3. Cable Cutter To cut the electrical cable. 4. Pry Bar Useful for removing the pump from the well. 5. Screwdrivers Both Phillips and flathead types. 6. Safety Gear Gloves, goggles, and a hard hat for protection. 7. Teflon Tape For sealing threaded connections.

Step-by-Step Replacement Process

1. Turn Off the Power Supply

Before you do anything, ensure that you have completely turned off the power to the pump. This is usually done at the circuit breaker. Verify that the pump is not receiving power by checking the voltage with a multimeter.

2. Remove the Pump from the Well

Carefully remove the piping and electrical connection from the existing pump. Depending on your well setup, this may require loosening bolts or fittings. Use a pipe wrench to detach the pipes, and a cable cutter to disconnect the electrical lines, ensuring that you're not cutting any live wires.

Once disconnected, carefully pull the pump out of the well using a pry bar and a helper if necessary. Be cautious, as the pump can be heavy and may require some effort to extract.

3. Inspect the Old Pump

Before proceeding with the installation of the new pump, inspect the old one. Look for signs of wear or damage. This can give you insight into why the pump failed, helping you prevent similar issues in the future. Check the depth of the well and ensure it’s suitable for the new pump you have purchased.

4. Install the New Pump

Begin by preparing the new submersible pump. Attach the discharge pipe and ensure that the connections are tight. Wrap Teflon tape around the threaded joints to create a watertight seal.

Next, lower the new pump into the well. Be careful not to twist or damage the electrical cables. Ensure that the pump is positioned correctly and that the intake is not blocked. Follow the manufacturer's instructions for the correct positioning of the pump.

5. Reconnect Electrical Wiring

Carefully reconnect the electrical wiring to the new pump. Make sure that all connections are secure and insulated, using wire nuts where necessary. Avoid mixing up the wires, as improper connections can lead to pump failure or electrical hazards.

6. Test the System

Once everything is connected, turn the power back on at the circuit breaker. Allow the pump to run for a few minutes, checking for any leaks or unusual noises. Ensure that water is flowing correctly from the tap that relies on the well system.

7. Final Check and Cleanup

After confirming that the new pump is functioning properly, make a final inspection of all connections and seals. Clean up your work area, removing any debris or parts from the old pump. Consider disposing of the old pump properly, as some components may need to be recycled.

Conclusion

Replacing a submersible water well pump can be a straightforward task if you approach it with caution and the right preparation. Always remember to prioritize safety, and when in doubt, consult a professional plumber or technician for assistance. With your new pump installed and working efficiently, you can rest assured that your water supply will continue to meet your needs.