US 12,492,542 B2
Functional unit for a shower toilet
Sascha Roediger, Schwerte (DE); and Hendrik Heitkamp, Recklinghausen (DE)
Assigned to GROHE AG, Hemer (DE)
Filed by Grohe AG, Hemer (DE)
Filed on Jan. 29, 2024, as Appl. No. 18/425,182.
Claims priority of application No. 10 2023 102 159.1 (DE), filed on Jan. 30, 2023.
Prior Publication US 2024/0254749 A1, Aug. 1, 2024
Int. Cl. E03D 9/08 (2006.01); E03B 7/07 (2006.01)
CPC E03D 9/08 (2013.01) [E03B 7/071 (2013.01); E03B 7/075 (2013.01); E03B 7/077 (2013.01); E03B 7/078 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A functional unit (1) for a shower toilet (2), comprising:
at least one shower device (3) for dispensing a liquid;
a liquid heater (5) for heating the liquid;
a limescale filter (6) for filtering the liquid disposed upstream of the liquid heater (5);
a pump (8) for the liquid; and
an air gap (10) that prevents the liquid from flowing backwards.