| Series | M400N |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Watts Regulator Company | WAT 0191082 | 8 M400N-OSY 0191082 |
| | Watts Regulator Company | WAT 0191096 | 2 1/2 M400N-NRS 0191096 |
| | Watts Regulator Company | WAT 0191083 | 10 M400N-OSY 0191083 |
| | Watts Regulator Company | WAT 0191103 | 3 M400N-BFG 0191103 |
| | Watts Regulator Company | WAT 0206399 | 2 1/2 M400N-DOSY 0206399 |
| | Watts Regulator Company | WAT 0191080 | 4 M400N-OSY 0191080 |
| | Watts Regulator Company | WAT 0191097 | 3 M400N-NRS 0191097 |
| | Watts Regulator Company | WAT 0191100 | 8 M400N-NRS 0191100 |
| | Watts Regulator Company | WAT 0191081 | 6 M400N-OSY 0191081 |
| | Watts Regulator Company | WAT 0191079 | 3 M400N-OSY 0191079 |
| | Watts Regulator Company | WAT 0206400 | 3 M400N-DOSY 0206400 |
| | Watts Regulator Company | WAT 0191098 | 4 M400N-NRS 0191098 |
| | Watts Regulator Company | WAT 0191101 | 10 M400N-NRS 0191101 |
| | Watts Regulator Company | WAT 0206401 | 4 M400N-DOSY 0206401 |
| | Watts Regulator Company | WAT 0191105 | 6 M400N-BFG 0191105 |
| | Watts Regulator Company | WAT 0191102 | 2 1/2 M400N-BFG 0191102 |
| | Watts Regulator Company | WAT 0206496 | 8 M400N-DOSY 0206496 |
| | Watts Regulator Company | WAT 0191078 | 2 1/2 M400N-OSY 0191078 |
| | Watts Regulator Company | WAT 0191099 | 6 M400N-NRS 0191099 |
| | Watts Regulator Company | WAT 0191104 | 4 M400N-BFG 0191104 |
| | Watts Regulator Company | WAT 0206402 | 6 M400N-DOSY 0206402 |
