•2 in 1 programmer/timeswitch _2 MEP 2c, 24 hour or 5 day/2 day setting _2 MEP 1c, 24 hour or 7 day setting •Automatic summer/winter time change •Memory saver-programme and clock will never require _resetting in the event of power loss •Easy to read, backlit screen •Pre-set clock •On/once/timed/off switching options •Up to 3 timing periods per day •Program advance buttons •Both programmer/timeswitch are suitable for fully pumped or gravity heating systems. •Timeswitches are ideal for combination boilers and control of additional zones etc.(volt free contacts) •Universal backplate •Part L Compliant (Part J in Scotland).