Draft technical rule [New]

DVGW W 551-1
Hygiene in Potable Water Installations – Part 1: Prevention, Identification of Causes and Control Measures of Contamination with Legionella

Title (German)

Hygiene in der Trinkwasserinstallation – Teil 1: Prävention, Ursachenklärung und Beseitigung von Legionellenkontaminationen

Edition 2026-05
Public enquiry period until 2026-07-31
Original language German
Price from 137.46 €
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Table of contents