NBN EN 1949:2021

This document specifies the requirements for the installation of liquefied petroleum gas systems for habitation purposes in leisure accommodation vehicles and for accommodation purposes in other vehicles.
It details health and safety requirements on:
— the selection of materials;
— components and appliances;
— design considerations;
— tightness testing of installations;
— the contents of the user's handbook.
This document only covers installations supplied with 3rd family gases (LPG).
It does not cover:
— water connections or electrical power supplies to the appliance(s);
— portable appliances, incorporating their own LPG supply;
— the installation of LPG appliances to be used for commercial purposes;
— LPG installations on boats;
— LPG supply equipment and LPG appliances separate from and external to the body of the vehicle.
This document covers LPG tanks fulfilling the requirements of the Pressure Equipment Directive (2014/68/EU).
Attention is drawn to the Pressure Equipment Directive (2014/68/EU) for any parts of the installation operating above 0,5 bar.