Knowing where your stopcock is (water mains valve) means you can instantly turn it off the moment you find a burst pipe, reducing the damage to your house and belongings.
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- Stopcock tips – can you find yours? @ MoneySavingExpert.com
Excerpt: A stopcock is your mains water tap (the off switch). Everyone should know where theirs is, especially at this time of year when pipes can burst due to frost. If you don’t know where yours is, your house could be flooded with water everywhere, while you have no idea how to stop it.
Image by Joydeep (Own work) [CC-BY-SA-3.0], via Wikimedia Commons