The ornamental design for a tappingtee, as shown and described.
FIG. 1 is a perspective view of a tapping tee in an exemplary environment, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is a side view showing the side opposite that shown in FIG. 4;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a cross-sectional view thereof, taken along line 8-8 of FIG. 6.
The broken lines shown in FIG. 1 are for the purpose of illustrating environment and form no part of the claimed design. The other broken lines shown in FIGS. 2 through 8 are for the purpose of illustrating portions of the tapping tee and form no part of the claimed design.