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You are here: Home / Technology / How To Properly Prime Your Water Pump

How To Properly Prime Your Water Pump

Publish Time: 2025-08-07     Origin: Site

How to Prime a Deep Well Pump

A well-functioning deep well pump is essential for accessing water from deep aquifers, especially in remote or rural areas. Whether you're installing a new pump or dealing with one that needs re-priming, understanding the process ensures reliable water flow. This step-by-step guide explains how to prime a deep well pump and includes tips to keep your system running smoothly.

What Does It Mean to Prime a Deep Well Pump?

Priming a deep well pump involves filling it with water to remove air from the pipes and pump components. Without proper priming, air pockets can cause the pump to lose suction, making it ineffective at drawing water. The process ensures that water, not air, fills the pump, creating the vacuum effect required to lift water from the well.

Common Scenarios When Priming Is Necessary

First-time installation of a deep well pump – When setting up a new pump, priming is required to start the system. Loss of prime due to air leaks – Air can enter the system if there are leaks or evaporation during dry conditions. Seasonal restarts – Priming may be necessary if the pump sits idle for extended periods, such as after winterization.

Now, let's walk through the step-by-step process to prime your pump.

Step-by-Step Guide to Prime a Deep Well Pump

1. Turn Off Power to the Pump

Before starting, disconnect the pump from its power source. This ensures your safety while working on the system. Locate the circuit breaker or unplug it entirely.

2. Access the Priming Plug

Locate the priming plug on top of the deep well pump housing. Carefully remove the plug to expose the hole where water will be added. Keep a wrench handy, as these plugs are often tightly secured.

3. Check for Debris

Inspect the pump and intake valves for dirt, debris, or blockages. Clean these components to ensure smoothed water flow once the system is operational.

4. Add Water to the Pump

Using a funnel, slowly pour clean water into the priming hole until the pump is full. Keep filling until the water overflows slightly, ensuring all air is expelled.

Pro Tip: Use water that matches the temperature of your well to avoid thermal stress on the pump components.

5. Replace the Priming Plug

Re-secure the priming plug tightly to prevent leaks during operation. Be cautious not to over-tighten, as this may damage the threads or create cracks.

6. Turn On the Power

Reconnect the pump to its power source and start the motor. Allow the pump to run for several seconds. During this time, it should pull water from the well and into the system.

7. Monitor the Pressure Gauge

Check the pressure gauge to ensure consistent readings. A gradual increase in pressure indicates that the pump has successfully primed and is operating effectively.

8. Check for Leaks

Once the system is running, inspect the pump and piping for any leaks, especially around the priming plug. Tighten as needed or replace gaskets to prevent air from re-entering the system.

Troubleshooting Common Issues

Even after following these steps, issues may still arise. Here are common problems and solutions:


Problem

Possible Cause

Solution

No suction after priming

Air leaks in the system

Check and seal all pipe connections.

Reduced water flow

Clogged intake valve

Clean the intake and remove debris.

Pressure drops frequently

Faulty check valve

Inspect and replace the check valve.

Pump loses prime repeatedly

Low water levels in well

Verify the well depth and recharge time.


If these measures don’t resolve the problem, consult a professional technician.

Maintaining a Deep Well Pump

Taking proactive measures can extend the lifespan of your deep well pump and reduce the frequency of priming. Here are some maintenance tips:

Inspect regularly: Check visible components for wear, rust, or leaks every 3–6 months.Clean filters: Keep the filters clear to maintain optimal water flow.Monitor pump performance: Pay close attention to water pressure and flow rates to identify early issues.Winterize properly: Drain water from the pump before freezing temperatures to prevent damage.

FAQ Section

1. What happens if I don’t prime my deep well pump?

Failure to prime the pump can result in air pockets that disrupt the pump's suction capacity, rendering it ineffective in moving water.

2. How often should I prime my pump?

You typically only need to prime your pump when installing it for the first time, after repairs, or if there’s a noticeable drop in suction.

3. Are all pumps self-priming?

Not all deep well pumps are self-priming. Some systems require manual priming, especially older models or specific hand pumps.

4. Can I prime the pump without turning off the power?

No, it’s essential to turn off the power to prevent accidental injury or damage to the pump during the priming process.

5. What is a deep well hand pump?

A deep well hand pump is a manual device designed to draw water from deep wells without the need for electricity. It’s an excellent backup solution in areas prone to power outages.

Choosing the Right Pump Manufacturer

If you're looking for a reliable, high-quality deep well pump, consider Pump Manufacture. They specialize in a wide range of pumps for deep wells, including electric and manual options. For personalized advice or product inquiries, contact them directly at:


Email: ruirong@ruirong.com
Phone: +86-139 2903 3707


Whether you’re troubleshooting an existing pump or investing in a new one, Pump Manufacture provides firsthand expertise and durable solutions tailored to your needs.

Final Thoughts

Priming a deep well pump is a straightforward but vital task to ensure seamless water delivery from underground sources. By following the correct procedure and maintaining your pump, you can avoid common issues like air locks or suction loss. Whether you're installing a new system or addressing a faulty one, a properly primed pump is the gateway to consistent, reliable water access.

Remember, choosing reputable brands like Pump Manufacture ensures long-term reliability and optimal performance. Don’t hesitate to contact their team for expert support.


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