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4 Most common reasons for water heater leaks:

  • Too much pressure

  • Tank is old

  • Loose drain valve, inlet & outlet connections, or T&P valve

  • Cracked or corroded anode rod, storage tank, or internal tank

Does location of the leak matter?


Bottom leaking indicates issue with drain valve or tank itself. The drain valve can be tightened, but if the tank itself is leaking due to a crack or corrosion, it should be replaced.

Top leaking could be caused by T&P valves, anode rod, or tank itself. Tightening the components may help, and tank should be replaced if necessary.

Leaks inside the tank that are encased in insulation are not visible from the outside, however this may leak through the bottom of your water heater. Most commonly, this is caused by old age and deterioration and should be replaced entirely.

Leaks from an undetermined location should be assessed by a professional, and is often difficult to find due to high pressure within the tank.

***You should never attempt to repair or replace a water heater on your own. There is potential for dangerous safety hazards, as water heaters can leak carbon monoxide into your home. ***

If you are having concerns with your water heater, call the Pros at 740-451-4822 and let us take the thinking out of it for you.

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