Why Is My Water Heater Not Heating Up Despite Resetting the Button?

A water heater that won’t heat after you press the reset button usually has a bad thermostat or heating element that keeps tripping the high-limit safety switch (the reset button). The next most common causes are heavy sediment causing overheating in tank models or, on gas units, an igniter or airflow issue that prevents the burner from running. Repeated trips mean the safety is doing its job and the parts need testing with a meter, not more resets. Our technicians handle these problems daily around the greater Atlanta area, Alpharetta, Marietta and Roswell and nearby, including Decatur homes. For urgent situations, we offer same-day service.

Use these quick signals to choose your next step:

• Reset pops again soon after heating starts: schedule repair.
• Electric unit has power but no heat: likely a failed element.
• Burner won’t light or you smell gas: call for emergency service.

Turn off power or gas and the cold-water supply if the reset keeps tripping or you notice burning smells or leaks.

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Updated: 2026-02-13

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Need help in Decatur, GA? Call 770-341-2178 or book online.