It provides critical guidance on managing water temperatures and system layouts to prevent the growth of Legionella bacteria.
is the primary British Standard providing guide-level recommendations for the design, installation, testing, and maintenance of domestic water services within buildings. It serves as a vital UK-specific companion to the European standard BS EN 806 . Core Objectives of BS 8558 bs 8558 pdf hot
: Run the system at high temperatures (60°C+) to ensure all parts are disinfected. It provides critical guidance on managing water temperatures