IS EN 1717:2025 Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow (+A1:2026)
Publication Year
2025
Document Status
Current
Abstract
An analysing methodology for protecting potable water in potable water installations with recommendations on the design, risk analysis and backflow prevention devices.
Document History
Supersedes IS EN 1717:2025. Amendment A1 issued July 2026.
Publisher Information
National Standards Authority of Ireland
National Standards Authority of Ireland (NSAI) is Ireland’s official standards body. They operate under the National Standards Authority of Ireland Act (1996) and are accountable to the Minister of Enterprise, Trade, Employment and Innovation.
