Looking to fit an external controller for my recently fitted boiler, but am a little confused as to which one to use/choose.
They seem to be categorised into "programmers", "timeswitches", and even "mini programmers" (according to
Could someone please care to explain the difference? BTW, I am looking for one that can do 5/2 or 7 day, 1 hour override, holiday mode, single channel,
3 on/off per day. I have a 3 c+e 2.5mm cable running from the boiler to the position where the controller is to be fitted.Many thanks in advance.