throttle

  1. L

    Does Geberit DuoFix UP320 have a throttle system to prevent splashing?

    The system purchased was Geberit DuoFix article no. 111300005 (May 2016), which if I am not mistaken includes the Sigma UP320 cistern. Currently both large and small flushes are splashing the ceramics and toilet seat of a rimless toilet. Does anyone know whether the flush valve in the UP320...
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