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What Is a Well Pump Control Box and How Does It Work?

When you own a home with a well, problems can arise unexpectedly.

Fortunately for you, there are measures that you can take to ensure that you have little to no problems with your well’s water system.

A nice, sturdy well pump control box will let you enjoy the comfort of having water, and avoid a lot of problems and fees that come with bad ones.

What is a well pump control box and what does it do exactly? Continue reading to learn more.

What Does a Well Pump Control Box Do?

A well pump control box is basically the brain of a water system because it handles many tasks to keep the system functioning properly.

Pump control boxes are responsible for monitoring the flow of water and controlling a water pump to keep it at the desired level. Pump control can vary depending on the type of control box that is installed.

They are also responsible for protecting pumps against low and high voltage that can result from things such as short circuits and overloads.

Here are some specific things that control box can do:

  • Alternate the operation of pumps.
  • Change the speed of motors to avoid low water pressure.
  • Protect motors from an incorrect amount of voltage and waterlogged tanks.
  • Start motors that are high voltage.
  • Sense water flow and levels, and signal equipment to turn off/on.
  • Control pumps such as those that feed chemicals.
  • Activate well pump generator when needed.
  • Turn off well pumps when water is too low.
  • Open and closes valves.
  • Display the duration that a pump has been on. 

Choosing a Control Box


Price is an important factor when choosing a control box because there are many that are cheap but are also faulty.

It’s common for manufacturers to use poor quality components in cheap control boxes, which can result in an unwanted well water pump repair. 

It is also important to ensure that you are purchasing a control box with the features that you need, and not one that will drive the price up with unnecessary features. 

It’s common for well control box installers to carry multi-purpose control boxes with them so they can install one at any job site. This sometimes results in the consumer paying more for something they don’t need.

There are many affordable control boxes you can purchase that will suit your needs, just be wary of the things that you don’t need because the price will be higher.

Supply Voltage and Motor Amperage

You need to know how much voltage you have supplying the water system so you can determine which well control box to get.

The control box voltage must match the pump voltage. It’s best to decide which kind of pump you will use, and then compare the voltage and amperage to the ratings of the control box.

Control Type

There are several kinds of control types that are used to control pumps:

  • Float switch – Rises and lowers with the liquid level.
  • Transducers – Measure the weight of the water.
  • Pressure bells – Increases pressure within bell as water rises.

Decide how you would like to control the pump so you can select a control box that is compatible with your desired choice.

Well Pump Maintenance

If you live in Arizona and would like to receive reliable and affordable maintenance on your well pump control box at your home, contact us at (623) 582-5069. For commercial: (602) 254-6154

Find well pump replacement near me!


If you are having well pump control problems call the professionals. We specialize in well pump maintenance and installation for residential and commercial wells. Contact us today to schedule an appointment!

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