mention for owner here; https://oldholloway.wordpress.com/2020/12/30/bye-2020/

and

https://twitter.com/JurajMikurcik/status/1512498303744851968

Installation videos

• https://www.youtube.com/watch?v=5vXKtKQLaIE

requires combo TRV multibloc valve https://www.cityplumbing.co.uk/Popular-Cylinder-Loose-Nut-22mm-Multibloc-3-0-0-6-Bar/p/434197

https://library.ariston.co.uk/nuos-plus-wi-fi-manual-uk/65984641/17

NUOS 250 Wifi Manual https://library.ariston.co.uk/nuos-plus-wi-fi-manual-uk/65984641