Horstmann S11 Single Channel 24 Hour Programmer
The ServicePlus range of programmers and timeswitches are designed to carry out a full or partial boiler shutdown once the servicing date has become overdue.
The S11 Timeswitch has standard volt free contacts making them ideal for combi boiler installations, whilst also supplying the mains voltage connection, allowing complete control of the boiler.
- Single channel
- 24 hour
- Simple to use
- Facilitates compliance with Gas Safety Regulation 36
- 28 Day Service Warning
- Part L Compliant
- 3 Amp rated
- Three ON and OFF periods each day
- Hot water boost and central heating advance
- Mains powered with battery back-up
Image shows the S17 version.