Hot Tap Water Scalds
Spot it
A water heater set above 120°F (or never checked), or a faucet a toddler can reach and turn to hot.
Fix it
CPSC urges lowering the water heater to 120°F. To check, hold a candy or meat thermometer under the hot tap first thing in the morning or at least two hours after hot water was last used, then adjust the heater's thermostat per the manufacturer's instructions and re-check. Renters: ask the landlord or building manager. Hand-test every bath before the child gets in (AAP: wrist or elbow should feel warm, not hot) and never leave a child unattended in the bathroom. 120°F is a ceiling to aim for, not a guarantee: CPSC notes that longer exposures can still burn.
Safer swaps
What actually fixes this — the category to look for, not a brand we were paid to name.
Hand-test every bath with your wrist or elbow before your child gets inHabit
Free; CPSC says always hand-test, and AAP says wrist or elbow should feel warm, not hot
Measure the hot-tap temperature and turn the water heater down to 120°FHabit
Free with a kitchen thermometer; the setting CPSC urges
Plumber to fit an anti-scald (mixing) valveService
For homes where you can't lower the heater, or the tap still runs hot (our suggestion; not on the cited CPSC page)
No shopping list for this hazard — the fix is a habit, not a purchase.
Sources cited
Sources
- CPSC: most adults get third-degree burns from 150°F water in 2 seconds; burns also occur in 6 seconds at 140°F and 30 seconds at 130°F. CPSC urges setting the water heater to 120°F — U.S. Consumer Product Safety Commission (incl. SaferProducts.gov), 2012 (how we check this source)
Every source we cite is checked against our criteria first — see how we check our sources.
Related checks
- Scalds & Hot Liquids — The kitchen scald page covers hot drinks and pots; the 120°F water-heater setting protects both rooms.