Prog/stats. quite how do they work... i.e. do they have a "fuzzy logic"
so the temp you want at a set time is the time they know from previous
days that needs the heating switching on X hrs prior or are they really
just nothing more than a "programmer" fitted in place of a T/Stat but
with t/stat capabilities?

I know "Optimum start" t/stat's delay coming on to the last moment. is
this for all programs in day or just the first.

Also.... lets say, at 1700 hrs you have a temp change from 16 deg.C to
21 deg.C which temp takes priority 16 or 21.

Am I making any sense at all?

TIA
Pete
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