If you are in need of controlling just the central heating then the single channel Salus EP101 is the programmer for you.  A great price and a very reliable programmer.  The EP101 fits standard industry backplates and has selectable volt free contacts.

 

The programming feature offers a 5/2 day which has 3 on/off programmes every day.  A simple press of the button changes the programmer from 5/2 day to 7 day programming.  The EP101 has an easy to read LCD screen with a back light for easy viewing when dark.  The EP101 has a advance function for simple activation/de-activation and also a holiday mode.  The Ep101 is a very simple yet every effective programmer.