well pressure switch

Why is your water pump running too often? Why is the water pressure in your home dropping suddenly? Could it be a tiny switch causing a big problem?

If you rely on a private well, the pressure switch for well pump is more than just a part – it’s the system’s brain. It tells your pump when to turn on, when to rest, and how to keep your water flowing steadily. A faulty pressure switch can mean dry faucets, pump burnout, and inconsistent pressure throughout your home or facility.

Let’s unpack how this small device plays such a big role—and how you can make sure you choose the right one.

What Is a Pressure Switch and How Does It Work?

Think of the pressure switch as your system’s intelligent control. It monitors the water pressure in your tank and decides when the pump should kick on or off. Here’s how it works:

●        When water pressure in the system drops below the "cut-in" setting (say, 30 psi), the switch activates the pump.

●        As the pressure rises and hits the "cut-out"