@Wayne-TP , thank you. I've replied to the email from the specialist with all the required videos attached. Hopefully you received it with all the attachments, they were quite large. Please let me...

Photo of the old working valve head and the ke100

@Wayne-TP Hello, I have a similar problem - my KE100s aren't fully closing the valves. Bought 3x KE100 a few days ago, have the MR30 valves (standard pannel house radiators in Czechia if that makes...