How to replace the 2 handle faucets on a bath tub with a single lever faucet. How to install and what to use inside the wallwork plumbing.

How to replace the 2 handle faucets on a bath tub with a single lever faucet. How to install and what to use inside the wallwork plumbing.
You will cover up the holes with a Moen Remodel Plate,(see image). The new valve will install that same way the old valve did. Did this answer your question? Regards, Tom