Switchover device; upgrade kit f. 330bar system only for P21 Filter

Switchover device; upgrade kit f. 330bar system
Operating pressure conversion kit (retrofit) from 225 bar to 330 bar
including change-over device, safety valve 330 bar (optionally with TÜV), filling hose 1 m; filling valve with pressure gauge 330 bar.
Only for retrofitting on P21 filter vessels (not possible on PE100)