J
JimmyPlumber77
Hi Guys
Bit new to all this but was hoping for a bit of help/advice please?
Whats the best procedure for changing TRVs like drain down, time & cost and do you use aids, like freezer packs or 'Aquavac' or similar?
Any help would be great
Bit new to all this but was hoping for a bit of help/advice please?
Whats the best procedure for changing TRVs like drain down, time & cost and do you use aids, like freezer packs or 'Aquavac' or similar?
Any help would be great