Single channel programmer (for use with room thermostats) with 3 different time periods (5 day plus 2 or 7 day programming) displayed on an easy view blue luminescent screen. Simple push button setting and select modes with full screen information providing automatic time control for domestic central heating applications. Features: 7 day programming for use with room thermostat 3 different time periods (5 day plus 2 or 7 day programming) 1 – 9 hour boost facility for instant control Easy view 12 hour am/pm or 24 hour clock/timer display illuminated on setting 1 – 9 hour boost facility for instant control Burner symbol display shows on call for heat Advance to next programme mode and permanent ON/OFF override Holiday mode setting Automatic summer/winter changeover Surface mount with wall plate included 3 wire connection (double insulated) Factory fitted battery for memory back-up Specifications: Current Rating: 3 (1) A Switch Type: Single Pole, Double Throw (SPDT) Operating Temperature Range: 0ºC to 50ºC Micro Disconnection: Type 1.B Control Action EC Directives: Conforms to Latest Directives Dimensions: Height: 90mm x Width: 135mm x Depth: 30mm