Thank you. I'm in a house share and like to leave the boiler alone. Honestly that picture does look familiar. I think one of my housemates likes to hide it in his room and play dumb when it gets cold. Here are the pictures of the other remote.
Boiler is a Viessmann vitodens 100-w b1hc (even though sticker says b1kc) 35kw.
https://ibb.co/swTDwRm
https://ibb.co/x8Yk9Y0
The boiler just doesn't seem to be kicking in in our house. The display seems fine and the taps have hot water perfect. On the boiler I have set the radiator temp to...