Fittings incorporating fluid category 3 backflow protection shall be supplied by gravity from a cistern having family ‘A’ backflow protection by means of a distributing pipe which does not supply any other fittings at a lower level.
We use cookies to give you the best possible experience with WRAS. Some are essential to provide website functions and ensure the website is secure. We also use cookies to help us understand how people use the site and to make improvements. Click "Accept All" to enable recommended settings or click "Manage cookies" to adjust your settings. For more details, see our Cookie Policy.