CentaurPlus C11 is a cost-optimised programmer for scheduled control of central heating.  It provides up to 3 different on/off periods that are applied consistently every day of the week.

Automatic GMT/BST time adjustment eliminates the need for manual clock adjustments, and a rechargeable backup battery maintains the clock in the event of a power outage.

CentaurPlus C11 works with most domestic gas, solid fuel and oil-fired central heating and hot water systems.



  • Replacement of single-channel central heating programmer

    CentaurPlus C11 will replace an existing single-channel programmer and provide 3 separate daily on/off times per day, applied every day. It fits on to a standard 6-pin wall plate, making replacement quick and easy.

    New builds

    CentaurPlus C11 is ideal for use in new builds of up to 150 m2 floor area, where a combi boiler is installed with a single zone.

  • Key Feature

    • Single-channel programmer
      • Replaces an existing single-channel programmer
      • For new builds with combi boilers, single zone2floor area
    • 24-hour temperature time profiles (up to 3 on/off periods per day)
      • 24-hour programme operates every day of the week
    • Simple user operation, with visual indication
      • Select button allows easy programme override
      • Boost, or 1-hour advance to next on or off period, using programme buttons
      • Automatic GMT/BST adjustment for user convenience
      • Clear and bright backlit display for intuitive operation
    • Specification
    • Electrical

      Power  supply

      230 V, 50Hz

      Contact type

      Micro-disconnection changeover

      Wiring configuration

      Volt-free powered c/o contacts (SPDT) no/nc

      Contact rating

      3 (1) A, 230 V AC

      Backup battery life

      >10 months continuous operation, in the absence of mains


      Pollution Degree


      Software Class

      Class A Software


      Type 1 Control

      Enclosure protection

      Flame-retardant thermoplastic

      Operating temperature range

      0 °C to +40 °C

      Technology features


      Bright backlit LCD




      LED indicator for CH active



      System compatibility

      Gravity or fully pumped

      Boiler types

      Gas, oil, electric (via control), combi (1 zone)

      User interface


      24 hours, where each day has the same ON/OFF times

      Number of ON/OFF Cycles per day

      3 separate ON/OFF (same each day)


      Advance to next programme (ON or OFF)


      Immediate 1-hour boost

      Displayed time adjustments

      1-minute steps

      Switched time adjustments

      10-minute steps

      Override features

      (AUTO/ALL DAY/24 HRS/OFF  )



      12 hours with AM/PM

      Daylight saving time adjustment

      Automatic BST/GMT adjustment

      Programming mechanism

      Text prompts for ease of use and understanding


      Dimensions (W x H x D)

      150 mm x 84 mm x 29 mm


      0.3 kg (approx.)


      Industry standard 6-pin wall plate