prEN 14972-21

Fixed firefighting systems – Water mist systems – Part 21: Test protocol for residential occupancies for electronically operated targeting nozzles prEN 14972-21

Publication date:   Jun 18, 2026

Scope

This document specifies fire testing requirements for water mist systems using wall mounted, electronically operated targeting nozzles for fire protection of domestic and residential occupancies up to a maximum ceiling height of 7,3 m.
EXAMPLE Examples for residential occupancies are family dwelling/house, bed and breakfast, apartment buildings, blocks of flats, care homes, small hotels or hostels, and residential areas in hotel bedrooms and guest corridors.
NOTE Some countries can have a national annex with guidance on the maximum height of the building, minimum design area and any additional requirements.