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World Plumbing Day

What are the most common plumbing mistakes? 

The On Tap community have had their say – and now the most common plumbing annoyances have been revealed! For World Plumbing Day, we surveyed our trusted community of Bristan installers on the most common plumbing mistakes they encounter on the job.

Take a look at the results…

1. PTFE around threads on compression fittings
2. Consumers buying parts online that aren’t suitable for the plumbing system, just because they like the look
3. Removing a blocked trap and pouring it down the sink
4. Underestimating what a plumber does and the belief that anyone can do plumbing
5. Not changing the fibre washer when changing taps, WC inlet valves and ball valves

Do you agree with the results? 

While our plumber experts may come across these mistakes once in a while, Bristan appreciates the hard work of installers across the country – and that’s why we created the On Tap community in the first place. It’s important to us that we work closely with the plumbing community and listen to your feedback so we can create customer inspired solutions and everyday brilliantly simple products for installers. 

We’d like to wish you a very happy World Plumbing Day.

Don’t forget to sign up to our On Tap installer community for the latest product information, industry advice and regular giveaways!

To find out more about our brilliantly simple solutions, visit

Plumbing mistakes