Bs 8558 Pdf !!top!!

to ensure every drop of water kept moving.

The standard gives for each category, including minimum air gap dimensions (e.g., 20 mm or twice the inlet diameter). bs 8558 pdf

Many users accidentally search for related but different standards: to ensure every drop of water kept moving

The is the British Standard that provides guidance on the design, installation, testing, and maintenance of services supplying water for domestic use within buildings. Accessing the Document including minimum air gap dimensions (e.g.