Previous posts on this topic suggested that a Drayton TRV4 or RT212 should fit a standard BG TRV top.
Searching amazon for a RT212 valve cover got me a Homgen TRV head which does not fit. It sits too high and the underneath is different from my 2009 British Gas version. I’d be grateful for...
I’m coming late to this thread. Searching Amazon for a RT212 valve cover got me a Homgen TRV head which does not fit. It sits too high and the underneath is different from my 2009 British Gas version. I’d be grateful for help. I spent a long time with a BG chatbot and online adviser without...