No.DescriptionPriceQuantity
1+ Thermostat  
2+ Thermostat cover  
3+ Gasket  
4+ Setscrew  
5+ Serrated washer  
6+ Water pipe  
7+ Thermal switch  
8+ Sealing washer  
9+ Temperature transmitter  
10+ Connecting pipe  
11+ Bush  
12+ Water pipe  
13+ .Core plug  
14+ Temperature switch  
15+ Washer  
16+ Thermal vacuum valve  
17+ Gasket  
18+ Lifting eye  
19+ Washer faced bolt  
20+ Washer faced bolt  

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.