hive trvs

Hello, Wondering if anyone can help with the adaptor I need for correctly fitting Hive TRV to the valve in the picture. Possibly there is no suitable adaptor, so I'd need to use a new valve. It had the adaptor that comes with the Hive TRV (M30) on for ages but it didn't work correctly...

I have a problem with one of my new Hive Heating thermostatic radiator valves that I got last month, it has stopped responding to manual temperature changes via the valve it's self, but the valve still wakes up when you go to manually adjust it as shown in the video. Have I accidentally enabled...

Just wondering if it would be worth installing smart (Hive) TRVs to radiators on my heating system. We have a worcester 24cdi boiler with no room thermostat (we turn it on and off as an when we need the heating), but it does seem to go off at times, guess there is a thermostat inside the Boiler...