Pressure Tank Replacement — Huntingtown, MD
A Huntingtown homeowner noticed their well pump was cycling on and off every 8–10 seconds. We diagnosed a waterlogged pressure tank — the bladder had failed and the tank had zero air charge. New 44-gallon tank installed and pump cycling restored to normal.
The Problem
A Huntingtown homeowner called about their well pump running constantly and cycling on and off every 8–10 seconds. They had noticed the pump running more than usual for several weeks, but the cycling had become rapid and constant. Short-cycling at this rate causes the pump motor to overheat and fail prematurely.
Our Diagnosis
We performed a pressure tank inspection. With the pump off and pressure bled down, we tapped the tank — it sounded solid throughout, confirming it was completely waterlogged with zero air charge. The bladder had failed, allowing water to fill the entire tank. With no air cushion, the pump had to cycle on and off with every small draw of water.
The Repair Process
- 1Confirmed waterlogged tank — solid sound throughout, zero air charge
- 2Shut off pump and drained system
- 3Removed failed 32-gallon tank
- 4Installed new 44-gallon Well-X-Trol pressure tank (upsized for better pump protection)
- 5Pre-charged tank to 38 PSI (2 PSI below cut-in pressure of 40 PSI)
- 6Restored power and confirmed pump cycling — 45-second run cycles
- 7Verified 40/60 PSI cut-in/cut-out settings
The Outcome
Pump cycling restored to normal 45-second run cycles. Pump protected from further short-cycling damage. Homeowner reported the pump was noticeably quieter after the repair.
Key Takeaway
A well pump that cycles on and off every few seconds has a waterlogged pressure tank — not a pump problem. Replacing the tank costs the cost of the repair and saves the pump. Ignoring short-cycling will burn out the pump motor within weeks to months.
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