Electric water heater settings: follow the manufacturer's manual

An electric storage water heater keeps hot water available for the household. Reviewing its settings and your hot water habits can help you understand its energy use.

1. Check the recommended temperature

• Read the manufacturer's recommended operating temperature for your model and installation.
• Do not treat 55–60 °C as a universal setting: ask a qualified installer whether it is suitable for your system.
• Keep any required hygiene and safety programmes enabled.

2. Follow the manufacturer's instructions

• Controls differ between appliances. Use only the adjustments described for users in the manual.
• Do not remove covers or access internal electrical components yourself.
• Contact an authorised technician if the control is not directly accessible or you are unsure.

3. Plan for longer absences

• Check the manual for holiday mode and instructions for periods away from home.
• Ask a qualified installer before switching the appliance off for an extended period, and follow the prescribed restart procedure.
• Record your bills and hot water habits to compare household spending over time.

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