3-way corner valve for Compact 320, Base 320 and Base 8 cisterns, with shut-off, flush and operating function, suitable for holding the TECE F 10 filling valve with M 30 connection. Note: For Base cisterns of the first generation (until 04/2020), an adapter (Item No. 9820485) is required in addition to a new filling valve with M 30 connection thread.