This is the fitting attachment. The TRV I got is Drayton RT212. Any help or advice on the correct product to get would be helpful.
I'm hoping that I don't have to swap out the entire valve components. Would prefer if just need to get a different TRV that I can just screw on myself
The TRVs I have don't work. Even when I switch all the way to zero setting on the TRV, the radiator is still as hot.
My guess is that they're the wrong fitting. I've scoured the Internet but can't get info on what is the correct fitting and product I should replace these with?
I have 3 of...