Warning sign - yellow triangle
Hot Water Signs
Hot water can scald in seconds. A hot water sign above a tap, urn or boiler warns people before they put a hand or a child under the flow. These printable hot water signs show a tap with a hot symbol on a yellow warning triangle, with wordings for hot water, very hot water, risk of scalding and boiling water, plus a plain red HOT label and a black-and-white version. A5, A4 and A3 sizes are included; cut or reduce for taps.
Caution hot water sign
Sign text: "Caution / Hot water". PDF, 15 KB. A5, A4 or A3, portrait or landscape.
Buy a durable version
Rigid plastic, aluminium or self-adhesive hot water signs, ready to put up. The pictures are our own free designs, not the Amazon products.

Hot water warning sign
View on Amazon - Hot water warning sign (affiliate link, opens in a new tab)
Hot water tap stickers
View on Amazon - Hot water tap stickers (affiliate link, opens in a new tab)
Thermostatic mixing valve
View on Amazon - Thermostatic mixing valve (affiliate link, opens in a new tab)
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Choose your wording
6 versions. Each one downloads as a PDF in A5, A4 or A3, portrait or landscape.
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Danger very hot water
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Hot water - risk of scalding
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Caution boiling water
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Hot water - text only (black and white)
Download all 6 signs
Every wording, size and orientation in one ZIP file, 459 KB.
Print tips
- Print at "actual size" or 100%, not "fit to page", so the margins stay even.
- Use thicker paper or card (160gsm or more) if the sign will be handled.
- For outdoor or long-term use, laminate it or buy a rigid version.
Where to use it
- Above kitchen and cloakroom taps
- Tea urns and hot water boilers
- Care homes, nurseries and schools
- Holiday lets and shared houses
- Bathrooms with unmixed hot supply
Questions
Does a sign make hot water safe?
No. Controlling the temperature (for example with thermostatic valves) is usually the better fix; a sign is an extra.
Which wording should I use?
Use 'hot water' for ordinary hot taps, 'very hot water' where it can scald and 'boiling water' for urns and kettles.
Where should the sign go?
Directly above or next to the tap or outlet, at eye level.
Can I print small stickers?
Print A5 and trim, or scale the PDF in your print dialog.
Related signs
Warning class. A yellow triangle with a black edge warns of a hazard. All health and safety signs
Warning Signs
Caution Signs
Hazard Signs
Wet Floor Signs
Drinking Water Signs
Health and Safety Signs