The ornamental design for a slopedwaterheater pan, as shown and described.
FIG. 1 is a top perspective view of a sloped water heater pan showing my new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a back view thereof; and,
FIG. 7 is a side view (opposite side view is mirror image) thereof.
In FIG. 1, the broken lines showing of environmental structure for purposes of illustrating the sloped water heater pan in a condition of use. The broken lines and the structure they depict form no part of the claimed design.