
@SuperiorPlumb11 @Damon_BPHR @vaillantuk @Intatec @CondensatePro @thoroughflush @Vaillant_DaveSq Who said it wasn’t required? I know there was an amendment to the MIs relating to trapped gully’s, I’m not sure what else it includes. But the original document doesn’t have any mention of “habitable rooms” as that would exclude cellars and garages, they are definitely included.
English
























