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Rick
Rick, Construction Supervisor
Category: Plumbing
Satisfied Customers: 19555
Experience:  Licensed Master plumber with 40+ yrs. experience.
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My pressure switch keeps turning on and off none stop

Customer Question

My pressure switch keeps turning on and off none stop
Submitted: 1 year ago.
Category: Plumbing
Expert:  Rick replied 1 year ago.
Is this a well pump pressure switch?
Customer: replied 1 year ago.
Yes
Customer: replied 1 year ago.
Non not none sorry
Expert:  Rick replied 1 year ago.
Ok, this is usually a sign that your pressure tank has failed. The tank provides a "cushion" so the switch/pump doesn't short cycle (what you're describing). If this is a modern diaphragm type tank (not an ancient galvanized tank) the fix is to replace the tank. You can check this by rapping the tank with the handle of a screw driver. If you get a dull thud all the way to the top then the tank has failed and your need a new one. Another way to check is to push in the pin on the air valve at the top of the tank. If water comes out the tank is junk.