dont reallyunderstand what you are askng
but surely, the same as if a 2 channel went squit in a standard sized house??if they go squit there's no heating at all
Saw this one - can't seem to find much info on it tho... looks like wireless? Much cheaper than the XL H47, but not heard of Heatmiser???Heatmiser also make a 4-channel programmer,
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