FIND A SPARE Universal Washing Machine and Dishwasher Replacement Drain Waste Outlet Pipe Hose and Hook Kit - 20mm and 30mm Bent End Fitting with 2 Metre Length Pipe (2m) : Amazon.co.uk:
FloPlast Washing Machine Trap White 40mm
Where does the washer and dishwasher drain hose go? 🤔😳 (UK) : r/DIYUK
Washing Machine Fittings | Screwfix
Kitchen plumbing for 2 appliances | Screwfix Community Forum