Hi all, please help a total novice, I don't want to have to call a plumber round for something I think is probably so simple I could fix myself. New bathroom installed a few months back. We have Cifial techno 35 deck valve taps on bath. The chrome top of the deck valve is attached on top of what i think is called the spline extension. This then has a small hole in the side of it that can be tightened with an alum key. These 2 parts have come away together (unscrewed themselves i guess!) from the turn cartridge that is attached to the bath. When we try to screw the top + spline thing back into the turn cartridge it just doesn't grip.
Am guessing I should be doing something to the grub screw with an alum key but have no idea what! Please talk me through how to put this darn thing back on so i can run the tap properly again without the top of the deck valve spinning off! Am sure it must be simple but I am a lady and generally have no idea how these things work
Am guessing I should be doing something to the grub screw with an alum key but have no idea what! Please talk me through how to put this darn thing back on so i can run the tap properly again without the top of the deck valve spinning off! Am sure it must be simple but I am a lady and generally have no idea how these things work