go to http://www.draytoncontrols.co.uk/sites/default/files/Digistat%2B%20(U.%26I.%20Guide).pdf which tells you how to alter the preset temperatures it took me 30 seconds to find this.as is often said Google is your friend use it
toptrish
November 2016
Drayton customer service always used to be pretty good:
http://www.draytoncontrols.co.uk/contact-us
XXX
November 2016
I can answer this question...
how to increase set temperature of drayton digistat 30002?