Dig hole “A”, hole “B” and hole “C” according to below dimension.
Step 2:
Screw the Shank ”I” with the faucet body “A” on the bathtub through
the O-Ring ”B” ,screw nut ”H” and Rubber gasket “G” in order to
fasten the faucet body to your bathtub.
Step 3:
Connect the hoses to the connecter of thermostatic valve base as below
drawing
Bottom view