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Water fittings guide

Our interactive fittings guide is designed to help plumbing professionals identify common causes of water quality issues.

Household fittings

This interactive guide provides a visual explanation of common water contamination issues that can occur in domestic properties.

By simulating various scenarios and highlighting the potential consequences, it aims to raise awareness of the importance of water safety and the measures that can be taken to prevent contamination.

This guide is best viewed on a desktop device.

How to use

The guide covers four specific issues: backflow from toilet cisterns, contamination from oil or fuel in the supply pipe, backflow from washing machine hoses, and contamination from contaminated land.

To rectify the problem you can do the following:

To rectify the problem you can do the following:

To rectify the problem you can do the following:

To rectify the problem you can do the following:

Contact our team

You can contact our Water Regulations team by email, you can call on 0345 266 7922 or write to:

Hafren Dyfrdwy, Water Fittings Dept

West Service Road, Raynesway

Derby DE21 7BE