I'm sure you know but just incase. 4 main methods, without going down Alexa or IFTTT route
1 - Turn zone TRV knob to desired setpoint, problem with this is it runs until next schedule setpoint change
2 Evo home click on zone, change temperature to desired, set time to revert back to schedule temperature press tick
Evohome.jpg
3 Phone/Table App - Tap on zone change setpoint, select time to revert back to schedule.
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4 Evohome Webpage App - same as above
Evohome webpage.jpg