Water Heater Repair in Corinth, MS
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What Corinth winters do to a water heater
Your water heater works harder from October through April, when the water coming into the tank runs cold and stays cold. On nights that average 32°F, it cycles more just to hold its temperature, and that extra cycling wears on the heating element and the thermostat that controls it. You notice it as water that takes longer to get hot, or that runs out faster than it used to.
Alcorn County has had 9 winter storms and 29 damaging wind events over the past ten years, and in Mississippi last year 30% of households went at least 24 hours without power. A gas water heater with a standing pilot keeps working through an outage like that. One with electric ignition, or an electric unit, will not come back on by itself until the power does, so if the outage lands during a cold stretch, you will notice the lack of hot water right away.
- 32°F
- the average winter night, and colder incoming water means longer heating
- 7 months
- October through April, the months homes here need heat
- 30%
- of Mississippi households lost power for a day or more in 2024, and a heater with an electric element or electric ignition stops without it
NOAA nClimDiv, 1991–2020 normals
A new water heater would cut about $260 a year off hot water for a typical Mississippi home.
Estimates for a typical Mississippi home, compared with an older unit built to the federal minimum, from EIA household energy data and Mississippi fuel prices. Your home will differ.
Repair makes sense when an element, thermostat or gas valve has failed.
Replacement makes sense when the tank itself is leaking.
- Why is my water heater leaking from the bottom?
- Most often the tank itself has corroded through and is leaking from the inside out. Sediment builds up at the bottom of the tank over years, and it traps water against the steel until it rusts. A leak can also come from a fitting, the drain valve, or the temperature and pressure relief valve rather than the tank, and those can sometimes be repaired. Once the tank itself is leaking, the water heater needs to be replaced, since there is no way to patch a rusted tank.
- Why won't the pilot light on my water heater stay lit?
- The most common cause is a worn thermocouple, the small sensor that sits in the pilot flame and tells the gas valve it is safe to stay open. When it wears out or gets coated with soot, it can't sense the flame correctly and the gas valve shuts off the pilot as a safety measure. A weak pilot flame, a draft near the burner, or a bad gas valve can cause the same thing. A thermocouple is a straightforward part to replace, but if that doesn't fix it, the gas valve itself may need attention.
- Can a tankless water heater be repaired?
- Yes, most problems with a tankless water heater are repairable. Igniters, flow sensors, and heat exchangers can all be replaced without replacing the unit. Mineral scale inside the heat exchanger is a common issue, especially if the unit has never been flushed, and that can usually be cleared rather than requiring a new heat exchanger. A contractor can diagnose which part is causing the trouble and tell you whether it's worth repairing versus replacing, depending on the age of the unit.