Do you know when it's time to replace your hot water bottle?

Wednesday, 22 October 2025 at 09:00

With the nights getting colder, it may be time to dig out your water bottle.

Did you know that your hot water bottle needs to be replaced every two or three years, or you could risk being seriously scalded.

It’s easy to check if yours needs replacing – simply remove the cover, and look for the daisy flower imprinted on the bottle.

Hot water bottle flower symbol

Inside the daisy will be a number such as ‘21’ which indicates 2021. Around the edges, some of the petals will be filled with dots. Four petals filled, such as above, indicates April, nine indicates September etc.

This is how you know when it's time to replace your hot water bottle – and using it after that date could mean it's no longer safe and could lead to an accident.

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