Electrolux Excessive Pressure / Temperature Relief

Water heater's safety relief valve drips or discharges water periodically

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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

Thermal expansion in closed system, Faulty or contaminated T&P valve, Overheating due to thermostat failure, High incoming water pressure

How to Fix / Troubleshooting

Safety first: The T&P valve is a critical safety device. Do not cap or plug it. Turn OFF power if the valve is discharging hot water continuously.

Steps:

  • 1. Test T&P valve: Lift the test lever briefly to flush debris, then release. If it continues to leak, replacement is recommended.
  • 2. Check system pressure: Measure cold water pressure. If above recommended levels, install or adjust a pressure-reducing valve.
  • 3. Install expansion tank: In closed systems, add a properly sized expansion tank on the cold inlet to absorb thermal expansion.
  • 4. Verify thermostat: Ensure the heater is not overheating; test and replace faulty thermostats.

Professional help: T&P valve replacement and expansion tank sizing should follow local codes and may require a licensed plumber.

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Repair Difficulty

Medium 3/5

Required Part

Temperature and Pressure Relief Valve
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