Lacava 1460 - Manual (Page 5)

LACAVA LLC 5
7. Apply a bead of silicone sealant onto the back edge of
the backplate and slide into place over the cartridge
body, making sure the rubber washer sits in between the
wall and backplate. Using a clean rag, wipe off any
excess silicone.
8. Secure the trim in place by tightening both set screws.
9. Turn on the water supply and check for any leaks.