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Siemens RWB27SI single channel electronic time switch
Product Code: 305194
The RWB27Si is the same specification as the RWB27 but has the added benefit of the Service Interval Function. Single channel service interval time switch with one volt free changeover contract.
- Unique menu driven programming
- Large backlit display
- Simple orientation
- Up to 3 hours boost facility
- Ideal for gravity or fully pumped systems.