| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Watts Regulator Company | WAT 905609 | LFFRK 856/66/76/86-SM 4 |
| | Watts Regulator Company | WAT 905613 | LFFRK 8X6/8X6V-CK2 4 |
| Manufacturer | Watts Regulator Company |
| Suitable For Use With | Model LF850/856ST/LF856 4 in Double Check/Double Check Detector Assemblies |
