10/11/2023 0 Comments Switch downwell![]() Once the pressure reaches the cut-off point, the switch turns the pump off until enough water is used in the home to activate the switch again. As water enters the tank, the air inside compresses, causing the pressure to increase. ![]() Once the pressure reaches the cut-on point, the well pump turns on and begins filling the tank. When the pump is turned off and water is flowing to a home, the air inside the pressure tank expands, and the pressure decreases. ![]() Common thresholds for pressure in a well system are 40 and 60 psi, 30 and 50 psi, and 20 and 40 psi. Learn more: What is a well pump and how does it work? How does a well pressure switch work?Ī well pressure switch works by turning a well pump on when the system’s pressure decreases to the cut-on point and switching it off when the pressure increases to the cut-off point. Well pumps are not engineered to operate rapidly or continually, so this constant on and off would shorten the life of the pump drastically. Without a pressure switch, a pump would need to run every time a faucet or other fixture is opened in a home. A well pressure switch ensures that a well pressure tank does not get too full or too empty. Unlike high pressure switches and low pressure switches used in HVAC applications, each well pressure switch possesses a cut-on and cut-off pressure that determines when the switch turns the pump on and off. What is a well pressure switch?Ī well pressure switch is a device that turns a well pump on or off based on water pressure inside a well water system. Below you can find information on what a well pressure switch is, how it works, symptoms of failing pressure switches, and how to diagnose and resolve these complications. Knowing what duties a well pressure switch performs can help you monitor the health of your water, notice issues with your devices, and have a better understanding of how to elongate the life of your well water system. When it does not work properly, smooth water flow cannot be achieved, and other components within the system will not operate at peak efficiency. A well pressure switch is the heartbeat of a well water system.
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