Water Heater Repair in Sundance, WY
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What Sundance winters do to a water heater
Winter nights here average 12°F from December through February, and cold groundwater means your water heater works harder to hit the same temperature at the tap. The burner or heating element runs longer to make up that difference, and parts that spend more time working wear out sooner. A failing thermocouple or heating element shows up as water that never gets hot, or runs out fast.
Crook County has seen 76 winter storms and 123 damaging wind events over the past ten years, and across Wyoming 8% of households lost power for 24 hours or more in 2024. If your water heater is electric, an outage means no hot water until power is back. Gas water heaters with a standing pilot keep working through an outage, but if yours has electric ignition, it will need power to relight.
- 12°F
- the average winter night, and colder incoming water means longer heating
- 10 months
- September through June, the months homes here need heat
- 8%
- of Wyoming 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
- Why is my water heater leaking from the bottom?
- Most of the time this means the tank itself has rusted through and is starting to fail. Sediment builds up on the bottom of the tank over the years, and it corrodes the steel from the inside until water finds a way out. It can also be a loose drain valve or a fitting that has failed, which a contractor can check in a few minutes. If the leak is coming from the tank itself, the water heater needs to be replaced, not repaired, since a tank cannot be resealed once it has rusted through.
- Why won't the pilot light on my water heater stay lit?
- The most common cause is a thermocouple that has worn out and no longer senses the flame properly, so the gas valve shuts off the pilot as a safety measure. A dirty or misaligned pilot orifice can cause the same problem, and so can a draft pulling the flame sideways away from the thermocouple. Some winter storms here can bring wind strong enough to affect venting, so if the trouble started during a storm that is worth mentioning to whoever comes to look at it. A contractor can test the thermocouple and the gas valve to find out which one is at fault.
- Can a tankless water heater be repaired?
- Yes, most tankless water heater problems are repairable. Mineral buildup on the heat exchanger is one of the most common issues, and it can usually be flushed out rather than replaced. Igniter failures, sensor errors and venting blockages are also common and are fixed by replacing the specific part rather than the whole unit. A contractor can read the error code the unit displays to tell you exactly what has failed.

