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Battery powered programmable room thermostat

Programmable room thermostats are widely recognised as one of the best ways to control central heating. Our C-Stat programmable room thermostats have a large display and intuitive user interface; they are easy to set-up and use. Battery-powered, they are suitable replacements for most room thermostats.


  • Control of most domestic gas or oil-powered central heating systems
  • Control of additional heating zones
  • Combination (‘combi’) boilers
  • Control of solid-fuel heating systems
  • Replacement of existing thermostat


  • Energy efficient
  • No need for additional wiring when replacing an existing thermostat
  • Fully Boiler Plus compliant
  • Holiday programme enables users to optimise heating cycles when away from the property
  • Simple and intuitive user controls
  • Secure from tampering
  • Flexible temperature settings will give you control over your environment.


  • Voltage-free contacts
  • 7-day programming
  • Frost protection
  • Load compensation
  • Up to 6 target temperature settings per-day
  • Temperature settings: 5°c to 30°c
  • Menu driven programming via large back-lit display, with prompts to aid the user
  • Automatic daylight saving time adjustment
  • Target temperature and actual room temperature indication
  • Temporary temperature override
  • Holiday programme
  • Optional high and low temperature limits
  • Tamperproof security code
  • Runs on two standard AA type batteries
  • Optional optimum start facility
  • 7 years no quibbles warranty


Power supply 2 x AA batteries
Contact type Micro-disconnection
Wiring configuration Voltage-free c/o contacts (SPDT)
Contact voltage rating 230V AC 50Hz (30V dc)
Contact current rating 8A (1A inductive)
Temperature differential 0.5°c
Temperature accuracy +/- 0.5°c at 21°c
Design standards BS EN 60730-2-9
Dimensions 100 x 120 x 26.5mm
Enclosure Flame retardant thermoplastic
Enclosure protection IP30
Pollution degree Degree 2
Insulation class Double insulated
Operating temperature range 0 °C to 40 °C
Clock 12/24-hour with automatic BST/GMT adjustment
Settings per-day 6 target temperature settings per-day
Mounting 6 terminal plug-in wall plate
ERP rating Class IV (2%)
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