Unidrain Riser for corner drain

Fit between the drain unit and the outlet unit. Can be used to correct the position of an outlet unit that is too low. 1 x Ø 40-mm side inlet (opened as needed). Not suitable for use with odor barrier 2821.0030.– If you install water trap 2821.0020 do not turn the side inlet more than 10 degrees away from the center position. Otherwise you will not be able to lift up the water trap for cleaning.