The ornamental design for a faucethub, as shown and described.
FIG. 1 is a front perspective view of a faucet hub showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken line showing of the various unshaded elements of the faucet hub and lever represents unclaimed subject matter and forms no part of the claimed design.