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An electric water heater runs every day, not just through a heating or cooling season, and the elements inside it cycle on and off whenever hot water is drawn. Electricity heats more occupied homes in Crawford County, Missouri than any other fuel, at 50.3% (2020-2024 ACS 5-year). That share of the housing stock runs on electric resistance heating, which means the elements and their thermostats are under continuous demand. When a unit fails here, a contractor tests the upper and lower elements for continuity first, then checks the thermostats for proper cutoff, because those are the parts the load wears down. A failed element is also what sends sediment-related faults to the top of the diagnostic list, since mineral buildup accelerates element burnout in any home where the heater runs hard.

Sediment accumulates differently in a water heater that has spent years sitting in a house where the plumbing was never designed around easy maintenance access. When a contractor opens the unit, the anode rod is often past the point of doing its job, and the drain valve may not have moved in long enough that it seizes on attempt. Half the homes in Crawford County, Missouri were built in 1981 or earlier (2020-2024 ACS 5-year). A house built around that period was plumbed for whatever the builder put in at the time, and the fixtures around the tank reflect that. What looks like a failing heater is frequently a heater that simply has not had the sediment cleared or the rod checked in years.
The Parts of a Water Heater a Contractor Checks First

The tank is the piece a homeowner notices first, usually sitting in a utility room, basement, or garage. It holds and heats the water supply for the whole house. When sediment builds up inside or the lining corrodes, the tank itself is where a contractor starts.
The heating element or burner assembly sits at the base or inside the tank depending on the unit type, and the thermostat controls when it fires. The pressure relief valve mounts on the side and releases if pressure climbs too high. The anode rod runs down through the tank and slows corrosion from the inside.
The drawing shows a general layout, and a licensed contractor will determine which components need attention in your specific setup.
Find a contractor in Crawford CountyCrawford County, by the numbers
63 severe weather events were recorded in Crawford County, Missouri between 2015 and 2024.
NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.Half the homes in Crawford County, Missouri were built in 1981 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCrawford County, Missouri holds 11,416 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 69.2% of the occupied homes in Crawford County, Missouri (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Crawford County
Extreme weather puts real strain on water heating equipment, from power fluctuations that stress components to temperature swings that force systems to work harder. How often that pressure hits in Crawford County shapes how much repair demand a local water heater sees over its lifetime.
63 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.
