Two channel 7 day programmer with independent timing for control of two heating zones. Features: 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. Can be set as 7, 5/2 or 1 day operation 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 The ST9500C can be used in conjuction with any of the ST9000 range to control multi zone applications.
