1+ Water bypass pipe  
2+ Water bypass hose  
3+ Hose clip  
4+ Hose  
5+ Worm drive hose clip  
6+ Water inlet spout  
7+ Water inlet spout gasket  
8+ Bolt  
9+ Serrated washer  

The part numbers in the assembly image below relate to the product number in the table. Clicking on the part number will open up the relevant part details.