With blind flange.
Isolating fittings are required when installed in enamelled storage water heaters.

TypeFlange DNThreadInstalled length
[mm]
Heating surface
[m2]
Order no.
RWT 1G 1/2″4901418940
RWT 1110G 1/2″4901419941
RWT 1205G 1/2″4901419943
RWT 1,8G 3/4″4701,8418941
RWT 1,8205G 3/4″4701,8419945
RWT 2,3G 3/4″5502,3418942
RWT 2,3205G 3/4″5502,3419947
RWT 3G 3/4″4903418943
RWT 3205G 3/4″4903419948
RWT 4,6G 1″7904,6418944
RWT 4,6205G 1″7904,6419949