Toilet with hydrovacuum electronic water in/out control. Very silent, great comfort (feels like home), very low water consumption. Anti-shock porcelain bowl with soft-closing seat. Complete with control panel. Drainage of waste thanks to built-in macerator pump, water load with pump supplied separately. Water inlet ø 19 mm (3/4"). Outlet ø 25/38 mm (1-1"1/2). When installing a series of toilets, a single water pump for all toilets and a 12V Cod.1320476 or 24V Cod.1320478 electrovalve for each toilet head is needed.