Why Is My Water Heater Not Heating Up Despite Resetting the Button?
If the reset button didn’t fix it, the usual culprits are a failed heating element or thermostat (electric), a gas supply or ignition problem (gas), or heavy sediment that insulates the water. A repeatedly tripping high‑limit switch signals an underlying fault. Gas units also carry carbon monoxide risks, so use a certified pro.
Quick checks:
- Verify the breaker is on and the water heater switch is powered.
- For gas, confirm the gas valve is open and the pilot/igniter lights.
- If it trips again, stop and call.
Updated: 2025-11-28 00:00:00
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