1 L type adapter

The RRD-FAN-EXTENDER is exactly what you need in this case

Ultimaker 3 Extended and Ultimaker S5 with a custom nozzle for geometry optimization for PVA support material

use the general recommended settings

also between colors and batches

UltiMaker - 0.8 Ultimaker Print Core (BB) Wanhao Duplicator I3 - Reservedel 1 L type adapterA 0. 8mm print core BB is an interchangeable print core for Ultimaker 3, Ultimaker 3 Extended and Ultimaker S5 with a custom nozzle for geometry optimization for PVA support material. 0. 80mm Ultimaker print core for PVA support material Maximize print performance and machine uptime with our replaceable print cores that match the material. Configure your 3D printer in seconds, whether you need reliable combinations of build and support materials for