24 hour/7 day digital heating programmer with 4 independent timed channels e.g. hot water and 3 separate heating zones, designed for fully pumped central heating systems. 4 independently timed channels – hot water and 3 separate heating zones. Suitable for fully pumped systems. Stylish design with pull down flap for programming. 3 different time periods (5 day plus 2 or 7 day). Easy view 12 hour am/pm or 24 hour clock/timer display illuminated on setting. Simple push button operation, illuminates on setting. 1 or 2 hour boost facility. Holiday mode to suspend programmes. Automatic summer/winter changeover. Advance to next programme mode. Output led’s for channel switch status. Surface mount with wall plate included. 3 wire connection (double insulated). Voltage free contacts. 3 (1) A at 230V. Factory fitted battery for memory back-up.