1+ Radiator top hose  
2+ Radiator top hose  
3+ Hose clip  
4+ Bottom hose  
5+ Worm drive hose clip  
6+ Bottom hose  
7+ Bottom hose  
8+ Water pipe  
9+ Worm drive hose clip  
10+ Heater cable  
11+ Water heater  

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.