Secure / Horstmann CentaurPlus C27 (series 2) electronic central heating programmer / time switch.
Direct plug in replacement for Horstmann CentaurPlus C21 and series 1 C27 programmer.
- Up to 3 on/off periods per day.
- Back lit digital LCD display.
- Battery backup (saves your settings in event of power failure).
- Automatic summer / winter time change.
- Settings for each day of the week.
- 6 pin backplate included.
- Program options auto / all day / on 24 hrs / off (each day of the week can be setup differently).
- Hot water boost and central heating advance facility.
- 3 Amp rated.
- Easy plug in replacement of programmers that use a standard six terminal wall plate.
- Two channels - typically one for radiators and the other for hot water.