This 1-day training course covers Legionella bacteria, how infections are caused, proliferation and transmission. It aims to provide an understanding of compliance with HSG274 Part 2 and ensuring building water systems are safe. The course content includes the history of Legionella, types of illness, approved codes of practice, management methods, domestic hot and cold water system designs, mixing valves, showers, flushing regimes, and troubleshooting. Candidates must pass an online exam to demonstrate their understanding and receive a certificate of attendance or accreditation upon exam completion.