What is a well pressure switch, and why does my water well system need a well pressure switch?

A well pressure switch is a device that monitors the pressure in a water system. It is typically connected to a pump and a pressure tank. When the pressure drops below a certain pre-set level, the pressure switch activates the pump to provide water to the system. Once the pressure reaches a certain level, the pressure switch turns off the pump. This helps maintain a consistent water pressure in the system and prevents damage to the pump.

A pressure switch is necessary for a well because it monitors the pressure in the water system and controls the operation of the pump. When water is being used, the pressure in the pressure tank drops, and when it drops to a certain pre-set level, the pressure switch activates the pump to provide water to the system. This ensures that the water pressure remains consistent and prevents the pump from running unnecessarily. The pressure switch also plays a crucial role in protecting the pump from damage. For example, if the water level in the well drops below the pump intake, the motor can become damaged or overheat. In such cases, the pressure switch recognizes the low pressure and automatically shuts off the pump to prevent further damage.

It’s worth noting that most well systems may not have a pressure cut-off switch, but if you have a low-yield well or are using more water than the well can yield, it could be beneficial to have one installed. Remember, it’s important to consult a professional well contractor for any issues or concerns with your well system, including pressure switches.

Refer to the manufacturer’s instructions or the documentation that came with your pressure switch. It should provide guidance on the recommended cut-in and cut-out pressure settings for your specific model. You will need to identify the cut-in and cut-out pressures. The cut-in pressure is the pressure at which the pump turns on, and the cut-out pressure is the pressure at which the pump turns off. These settings can vary depending on your specific system.

Take into account your household’s water needs and the capacity of your well system. If you have a larger household or higher water demand, you may want to set the cut-in and cut-out pressures higher to ensure an adequate water supply. Use a pressure gauge to measure the current pressure in your system. Adjust the cut-in and cut-out pressure settings on the pressure switch accordingly. Make small adjustments and test the system to ensure it is functioning properly.

Remember, if you are unsure or uncomfortable adjusting the pressure settings yourself, it is recommended to consult a licensed water well contractor or pump installer.