| Material | Drawn Steel |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Watts Regulator Company | WAT PLT12 | PLT12 WATTS POTABLE WATER EXPAN TANK 0067371 PLT12 |
| | Watts Regulator Company | WAT 0067371 | PLT-12 0067371 |
| | Watts Regulator Company | WAT 0067373 | PLT-35 0067373 |
| | Watts Regulator Company | WAT 0067372 | PLT-20 0067372 |
| | Watts Regulator Company | WAT PLT5 | PLT-5 Almond Expansion Tank 0067370 PLT5 |
