| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Watts Regulator Company | WAT SD3-MF 3/8 | 3/8 SD3-MF Dual Check Valve with Vent 0061657 |
| | Watts Regulator Company | WAT 0061652 | 1/4 SD3-MN |
| | Watts Regulator Company | WAT 0061653 | 1/4 SD3-MF |
| | Watts Regulator Company | WAT 0061656 | 3/8 SD3-MN |
| | Watts Regulator Company | WAT 0061664 | 1/4 SD3-FF |
| | Watts Regulator Company | WAT 0061665 | 3/8 SD3-FF |
| | Watts Regulator Company | WAT 0061666 | 1/4 SD3-FN |
| | Watts Regulator Company | WAT 0061667 | 3/8 SD3-FN |
| | Watts Regulator Company | WAT 0061670 | 3/8 SD3-MN-LS |
| | Watts Regulator Company | WAT 0061671 | 3/8 SD3-MF-LS |
| | Watts Regulator Company | WAT 0061672 | 3/8 SD3-FF-LS |
| | Watts Regulator Company | WAT 0061673 | 3/8 SD3-FN-LS |
| | Watts Regulator Company | WAT 0061674 | 1/4 SD3-MN-LS |
| | Watts Regulator Company | WAT 0061675 | 1/4 SD3-MF-LS |
| | Watts Regulator Company | WAT 0061676 | 1/4 SD3-FF-LS |
| | Watts Regulator Company | WAT 0061677 | 1/4 SD3-FN-LS |
| | Watts Regulator Company | WAT 0061678 | 3/8 SD3-LS-MFxMF |
| | Watts Regulator Company | WAT 0061679 | 3/8 SD3-LS-MFxMN |
