Water Heater Repair in Boulder, MT
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Cold groundwater and long winters wear on your water heater here
Water heaters in Jefferson County work against cold incoming water for most of the year, since homes here need heat from September through June. The unit has to work harder to bring that water up to temperature, and the burner or heating element runs longer to do it.
Winter nights averaging 15°F also mean the water heater is rarely idle during the colder months. With 18% of Montana households losing power for 24 hours or more last year, a water heater can also go cold along with the rest of the house, and gas units with electric ignition won't relight on their own once power is back. If your water heater is producing lukewarm water or none at all, or if it's taking longer to recover between uses, that is often the first sign the unit is falling behind.
- 15°F
- the average winter night, and colder incoming water means longer heating
- 10 months
- September through June, the months homes here need heat
- 18%
- of Montana 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 $60 a year off hot water for a typical Montana home.
Estimates for a typical Montana home, compared with an older unit built to the federal minimum, from EIA household energy data and Montana 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 of the time this means the tank itself has rusted through, and once that happens it can't be patched. Sediment builds up at the bottom of the tank over years, and it corrodes the steel from the inside. Water pooling under the tank almost always means replacement, not repair. If the leak is instead coming from a fitting or the drain valve, a contractor can tighten or replace that part and the tank itself may be fine.
- Why won't the pilot light on my water heater stay lit?
- A pilot that won't stay lit is usually a sign the thermocouple has worn out. That's the small part that senses the flame and tells the gas valve it's safe to stay open. When it fails, the valve shuts the gas off as a safety measure, even though the flame was actually burning. A weak gas supply or a draft blowing out the flame can cause the same thing, so a contractor will check both before replacing anything.
- Can a tankless water heater be repaired?
- Yes, most tankless problems come down to a handful of parts that can be serviced without replacing the unit. A dirty flow sensor, a scaled-up heat exchanger, or a failed igniter are common causes, and each of those can be cleaned or swapped out. A contractor can tell you whether the fix is a repair or whether the unit has reached the end of its service life.