Tankless Water Heater Drain Pan

FIG. 1 is a front top right perspective view of a tankless water heater drain pan of my new design;

FIG. 2 is a rear bottom right perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is right-side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines show features of the tankless water heater drain pan that form no part of the claimed design.