How much does it cost to replace a well pressure tank? Full price breakdown by tank size, brand, and labor — plus how to know if DIY makes sense.
| Tank Size | Tank Cost | Labor | Total Installed |
|---|---|---|---|
| 20 gallon (1/2 HP pump) | $80–$180 | $100–$250 | $200–$430 |
| 32 gallon (3/4 HP pump) | $130–$250 | $100–$250 | $250–$500 |
| 44 gallon (standard home) | $180–$350 | $100–$300 | $300–$650 |
| 86 gallon (large home) | $300–$550 | $150–$350 | $450–$900 |
| 119 gallon (high demand) | $450–$800 | $200–$400 | $650–$1,200 |
💡 Most homeowners pay $300–$600 for a 44-gallon tank fully installed by a plumber.
The most common mistake is replacing a failed tank with the same size — which may have been undersized to begin with. An undersized tank short-cycles your pump, the number one cause of premature pump failure.
Enter your pump GPM and pressure switch settings — takes 2 minutes.
Use the Free Sizing Calculator →Pressure tank replacement is one of the most beginner-friendly well system repairs. The tank connects to the system at a single fitting, and the job requires no special tools beyond a pipe wrench and tire gauge.
DIY saves $100–$300 in labor. The job takes about 1 hour. Steps: turn off pump, release system pressure, unscrew old tank at the fitting, thread on new tank with Teflon tape, set pre-charge to 2 PSI below cut-in, restore power, test.
Hire a plumber if: the existing tank is in a tight space, you are unfamiliar with plumbing, or the replacement involves upgrading pipe size or adding a manifold.
Pressure tank bladders are not field-repairable on most residential tanks. If the Schrader valve test shows water instead of air, the bladder has ruptured and recharging won't help — the tank needs replacing. Recharging the air pre-charge is only worth trying if the bladder is still intact (air comes out, just at low pressure) and the tank is under 5–7 years old. Past that, replacement is almost always the better value than repeated recharging. See our signs of tank failure guide to confirm which situation you're in before spending money either way.
Generally, no. A pressure tank reaching the end of its normal 10–15 year lifespan is treated like any other mechanical wear item — similar to a water heater or furnace — and standard homeowners policies exclude wear-and-tear component failure. However, if a tank ruptures suddenly and causes water damage to flooring, drywall, or belongings, that resulting damage may be covered under a policy's sudden-and-accidental water damage provision. Slow leaks or damage from neglected maintenance are typically excluded. If your tank failure caused property damage beyond the tank itself, it's worth a call to your insurance agent before assuming either way.
A pressure tank itself costs $80–$400 depending on size and brand, plus $100–$300 in labor if you hire a plumber. Most homeowners pay $300–$650 total for a standard 44-gallon tank fully installed.
Yes — it's one of the most DIY-friendly well system repairs. Turn off the pump, drain system pressure, disconnect the old tank at the fitting, connect the new tank, set the pre-charge pressure to 2 PSI below cut-in, and restore power. The job takes about 1–2 hours for a first-timer with basic plumbing tools.
A professional plumber can replace a pressure tank in 30–60 minutes. A DIY replacement takes 1–2 hours for a first-timer, including turning off the pump, releasing system pressure, disconnecting the old tank, setting pre-charge pressure, and testing.
Typically not the tank itself — normal end-of-life failure is considered wear and tear, which standard homeowners policies exclude. Sudden water damage caused by a rupture may be covered separately; check with your insurer if the failure damaged flooring or belongings.
It depends on the symptom. If you have no water pressure at all, treat it as urgent — most plumbers offer same-day service for this, often at a premium of $50–$150 over standard scheduling. If the tank is just waterlogged but you still have some pressure, turn off the pump to prevent further short-cycling damage and schedule a standard (non-emergency) replacement within a few days.