| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Watts Regulator Company | WAT 7016639 | ARK 4000B-CK1 11/4-11/2 |
| | Watts Regulator Company | WAT 7016645 | ARK 4000B-CK2 11/4-11/2 |
| Manufacturer | Watts Regulator Company |
| Suitable For Use With | Model 4000B/LF4000B 1-1/4 to 1-1/2 in Backflow Preventer |
