Horstmann CentaurPlus C21 2 Channel Programmer
Simple, low cost 24 hour version of the C27.
- 2 channel
- 24 hour
- 3 Amp rated
- Easy plug in replacement of any programmers that use a "standard" six terminal wall plate
- GMT /BST automatic clock
- Back lit display
- Three ON and three OFF periods each day
- Hot water boost and central heating advance
- Mains powered with battery back-up
- Programme options: On 24hrs, OFF, All Day or Auto
- Part L compliant
Image shows the C27 version.