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Yes. The well pump turns on when the pressure in the accumulator tank falls to a low enough pressure to actuate the switch. If the pump check valve is leaking, the pressure is being bled back through the pump until the switch trips and the pump turns on. Other leaks in the system that allow the pressure to bleed down can also cause this.

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Q: Can a faulty check valve cause my well pump to turn on frequently even though no water is running?
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