Kenmore Lower Heating Element or Thermostat Failure

Kenmore electric water heater produces only a small amount of hot water, then quickly turns lukewarm

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Burned-out lower element, failed lower thermostat, wiring issue between upper and lower thermostats, heavy sediment covering lower element

How to Fix / Troubleshooting

Safety: Turn OFF power at the breaker and verify with a meter.

  • Check water temperature setting: Ensure the thermostat dial is set appropriately (typically 120–140°F).
  • Test lower element: Remove the lower access panel. With power OFF, disconnect wires from the lower element and measure resistance. Replace the lower heating element if open or grounded.
  • Test lower thermostat: Check continuity through the lower thermostat when calling for heat. Replace the lower thermostat if it does not close.
  • Flush sediment: Connect a hose to the drain valve, shut off cold supply, and drain several gallons to remove sediment that may be insulating the lower element.
  • Refill and restore power: Close drain, open cold supply, purge air from a hot faucet, then restore power.
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Repair Difficulty

Medium 3/5

Required Part

Lower Heating Element
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