Housekeeping · 온수 안전

Six steps to assess hot-water scald risk at home

Measure delivered hot-water temperature and understand the trade-off between scald prevention and water-system hygiene.

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U.S. Department of Energy

Original guidance from U.S. Department of Energy

Source link for Six steps to assess hot-water scald risk at home

DOE notes 120°F (about 49°C) for many homes, while some installations need hotter storage and tempered delivery to manage Legionella and scald risks. Do not assume one setting fits every system.

Your try-it-at-home checklist

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Identify whether your system is storage, tankless or central hot-water supply; consult its manual and building operator.
Check delivered temperature safely at a tap using a suitable thermometer, never by putting a hand into very hot water.
Pay extra attention to children and older adults. DOE cites about 120°F (49°C) for many residential uses.
Some stored-water systems require higher tank temperature for microbial control and a mixing valve to temper delivered water. Distinguish tank from tap temperature.
Do not open gas/electrical compartments or adjust mixing valves on your own; consult the manufacturer or a qualified technician.
After professional adjustment, recheck delivered temperature at relevant taps and share scald-prevention practices with the household.

Original guidance from U.S. Department of Energy

Your try-it-at-home checklist

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