The Rise of Douches in the UK. Are Your Installations Compliant?

Across the UK, we are seeing a surge in douche hoses, bidet toilet seats, and DIY bidet conversion kits being installed in homes, apartments and commercial buildings. While the demand is growing rapidly, most of these installations do not meet Water Regulations, often due to inadequate or completely missing backflow protection.

This issue has now become significant enough that industry bodies and major publications are warning the trade:

✔ Water Regs UK – Bathroom compliance guidance
✔ HPM Magazine – “Don’t be a douche about douches”
✔ Arrow Valves – Technical insight on why many popular products are illegal

The data and the regulations all point to one thing:

Installers, designers and merchants need reliable, fully compliant solutions, now more than ever.

Market Shifts plus Regulation Gaps equals A Growing Compliance Risk

Our recent analysis at Hurlstone Associates shows:

  • Only ~5% of UK households currently have a douche or bidet attachment
  • But with 24 million households, that still means 1.2 million homes already require a compliant Fluid Category 5 backflow prevention solution
  • Installations are rising sharply due to hygiene trends and low-cost online products

Arrow Valves Has the Innovative Solution

Arrow Valves products, including the BTHW Backflow Prevention Device provide:

  • Full compliance with current Water Regulations
  • Safe protection against Fluid Category 5 contamination
  • A professionally engineered alternative to online non-compliant kits, to supplement the kits to make them compliant.
  • Reliable, long-term performance for domestic and commercial applications

These products bridge the growing gap between market behaviour and regulatory requirement, and they’re available now.


Download the Arrow Valves BTHW Datasheet and explore the compliant solution your customers need.

🔗 bthwablutionommanual-2020.pdf

If you’d like to discuss how these products can support your projects, or how to ensure your installations meet Water Regs. We’re here to help.

Here’s to a productive, progressive and fully compliant future for all!

Warm regards,
The Team at Hurlstone Associates

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