How To Prime A Well Pump – Short Guide

how to prime a well pump

Want to know how to prime a well pump? Before you begin, you need to ensure that your water supply is turned off so that air cannot enter your well pump. Then, install the suction piping from the well to the pump. To prime a well pump, make sure that it is straight and not twisted. 

You can also purchase a good hand pump for backup purposes. Listed below are several methods of pump priming. Read the following tips to help you get started.

Non-submersible pumps require manual priming:

how to prime a well pump
Source: WP

Many types of well pumps require manual priming before they can be started. Primer is necessary to prevent the impeller from becoming gas-bound. Not only does priming prevent overheating of the pump system, but it also protects internal components. 

First, find out the number of times you must manually prime a non-submersible pump. The number of repetitions depends on the makeup of the pump and the problem with the system. A pump generally requires several buckets of water to prime. Use drinking water when priming a well intended for drinking water. 

A pump that requires manual priming should be inspected periodically by a plumber. Once the pump is primed, it will begin delivering water into your home.

Suction piping should be straight from the well to the pump:

A good way to prime a well-pump is to pour water into the pump’s priming hole. This fills the pump’s impeller chamber and the well pipe. The water should overflow into the pump’s priming plug, which should be covered with a PTFE thread-sealing tape. 

Once the priming plug is removed, re-turn on the pump’s main switch and watch the water pressure gauge rise steadily. The loud raspy sound produced by a dry pump mechanism should soon become muted.

To properly prime a well pump, make sure the suction piping runs directly from the well. For shallow-depth wells, the suction piping should be straight from the well to the pump. 

For deep wells, it is necessary to use a separate jet pump with a separate ejector. In this type of pump, water is drawn up to the pump by recirculation of the water from below.

Self-priming pumps can lose their prime due to other issues:

While self-priming well pumps are usually designed to keep the water pressure in the well up, sometimes they fail to do this. 

Other possible reasons include clogged water lines. When the pump isn’t getting the right amount of water, it may be necessary to manually prime the pump. 

This process is no different than priming a standard pump without a pressure tank. In both cases, you need to turn off the power source so that the pump will not be automatically activated.

If you’re visiting your vacation home for the first time and discover that your pump has lost its prime, you’ll need to properly prime it. You can prime the pump using the priming plug provided, or use water from a nearby water supply. 

If the pump fails to prime, it could overheat and damage your water system. To prevent this from happening, always remember to prime your well whenever you visit your vacation property.

Self-priming pumps are a good option for deep wells:

Self-priming pumps can help you get water out of deep wells without the hassle of manual priming. While these pumps can function in deep wells without manual priming, you should still prime them before first use. 

In addition, the location of the pump in the well may not be the most efficient. A self-priming pump needs to be located closer to the liquid source than a submersible pump. You should also keep the length of the pipe to a minimum to avoid air leakage and loss of suction pressure.

There are two types of well pumps: non-submersible and submersible. Submersible pumps operate completely underwater and are connected to the power source at the top of the well. 

These pumps do not need priming, but you may need to do so the first time you install one. Non-submersible pumps, on the other hand, need to be primed. The EPA offers a diagram explaining the components of a well pump.

The time it takes to prime a well pump:

You might have wondered how long it takes to properly prime a well pump. There are several factors that can cause the pump to not prime properly, and some are less obvious than others. 

Check to make sure that the pump is not blocked with debris or clogged with sediment. Ensure that the pump is not plugged up with a loose fitting or a cracked foot valve. You can find these factors on the data tag of the pump.

To prime a well pump, you need to turn on water until the pump casing fills with water. Once the pump casing is full, you must open the release valves in order to let out the air. 

You can also prime the pump with water from a nearby bucket or large bottle. Depending on the size of the pump and the distance between the pump and the water source, you may need to prime the pump multiple times.

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