New Honeywell 7 Day Timer. Single channel 7 day timer, for control of a single heating zone or a combi bolier. Features: LoT display, providing text feedback that gives help and programming hints. Large backlit display (57 x 37mm) Factory set clock and date. Automatic Summer/Winter time change. 3 on/off periods per day Tempory or permanent override faciltiy. Extra hour facility, for up to 3 hours of boost or programme extension. Fits on Industry standard back plate. Holiday Button for programmer override Direct replacement for ST6100 model Suitable for mains, low voltage or potential free switching.
