Just to put this to bed in case anyone finds this via google with the same issue - heard back from Sales support and apparently older models of...
Still no luck - returning thermostat tomorrow and replacing with a like for like RTX501 (n)
Hi all, got a bit of an odd one and not sure the best way to sort it. Boiler is a Baxi Duotec combi 33 which has been fine since we got it, 'stat...
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