No. No. 15.2 Products/materials in contact with drinking water #08. Do expansion vessels require an installation mark?
Pipes, fittings and valves are subject to an installation mark in accordance with the currently valid ÖA list of building materials. Containers are not subject to ÜA. However, if the container is fitted with connection fittings that fall under product group no. 15.2.3, the ÜA marking obligation applies to these.
Date: 13.05.2020