| Type | 3-Circuit |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Watts Regulator Company | WAT 81005859 | HydroNexZZone3A 81005859 |
| | Watts Regulator Company | WAT 81005880 | HydroNex ZMixPumpZone3 81005880 |
| | Watts Regulator Company | WAT 81005852 | HydroNex ZZone3 81005852 |
| | Watts Regulator Company | WAT 81005873 | HydroNexZPumpZone3A 81005873 |
| | Watts Regulator Company | WAT 81005886 | HydroNexZMixPumpZone3A 81005886 |
| | Watts Regulator Company | WAT 81005866 | HydroNexZPumpZone3 81005866 |
