The CM727 programmable room thermostats is designed to provide automatic time and temperature control of domestic heating premises. Large LCD display with simple to program and easy to use functionality. No installer links or switches on the back of the unit means no adjustment is required for combi boilers and most central heating systems.\nThe CM727 has a scheduled maintenance alert, fault diagnostic mode and automatic Summer/Winter time change to assist in maintenance. The range caters for all requirements with hard-wired or wireless versions and 1 day or 7 day programming. Two wire, volt free connections are ideal for use with combination boilers.\nFeatures\n--Large LCD with time and temperature displayed\n--Automatic Summer/Winter time change\n--Auto, manual, holiday, override and off (frost) modes\n--EEPROM memory holds program indefinitely\n--Battery powered (with low-power indicator)\n--Up to four independent time & temperature settings\n--Slim, ultra modern design\n--Serl