Designed to protect the heating system from excess pressure.
Safety valve
Table
| Article | Size | Pressure | Quantity per package | Quantity of box |
| 6560171 | 1/2" | 1,5 bar | 1 | 100 |
| 6560174 | 1/2" | 3 bar | 1 | 100 |
| 6560173 | 1/2" | 6 bar | 1 | 100 |