Pump bypass with gravity differential valve used to protect the boiler against excessive temperature and pressure increase, which may occur in the event of a power failure or pump failure.
Material: brass, steel, cast iron
2-year warranty
| INDEX | Size | Collective packaging [pcs] | EAN code | Net weight (kg) |
| OBPP.25 | 1″ | 1/70 | 5900308745359 | 3,640 |
| OBPP.32 | 5/4″ | 1/70 | 5900308745366 | 4,200 |
| OBPP.40 | 6/4″ | 1/70 | 5900308745373 | 4,580 |
| OBPP.50 | 2″ | 1/70 | 5900308745380 | 5,420 |
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