Boiler Controller

FIG. 1 is a front perspective view of a boiler controller.

FIG. 2 is a rear perspective view of the boiler controller.

FIG. 3 is a front view of the boiler controller.

FIG. 4 is a rear view of the boiler controller.

FIG. 5 is a left side view of the boiler controller.

FIG. 6 is a right side view of the boiler controller.

FIG. 7 is a top view of the boiler controller.

FIG. 8 is a bottom view of the boiler controller.

FIG. 9 is a front perspective view of a second embodiment of the boiler controller.

FIG. 10 is a rear perspective view of the second embodiment of the boiler controller.

FIG. 11 is a front view of the second embodiment of the boiler controller.

FIG. 12 is a rear view of the second embodiment of the boiler controller.

FIG. 13 is a left side view of the second embodiment of the boiler controller.

FIG. 14 is a right side view of the second embodiment of the boiler controller.

FIG. 15 is a top view of the second embodiment of the boiler controller.

FIG. 16 is a bottom view of the second embodiment of the boiler controller.

FIG. 17 is a front perspective view of a third embodiment of the boiler controller.

FIG. 18 is a rear perspective view of the third embodiment of the boiler controller.

FIG. 19 is a front view of the third embodiment of the boiler controller.

FIG. 20 is a rear view of the third embodiment of the boiler controller.

FIG. 21 is a left side view of the third embodiment of the boiler controller.

FIG. 22 is a right side view of the third embodiment of the boiler controller.

FIG. 23 is a top view of the third embodiment of the boiler controller.

FIG. 24 is a bottom view of the third embodiment of the boiler controller.

FIG. 25 is a front perspective view of a fourth embodiment of the boiler controller.

FIG. 26 is a rear perspective view of the fourth embodiment of the boiler controller.

FIG. 27 is a front view of the fourth embodiment of the boiler controller.

FIG. 28 is a rear view of the fourth embodiment of the boiler controller.

FIG. 29 is a left side view of the fourth embodiment of the boiler controller.

FIG. 30 is a right side view of the fourth embodiment of the boiler controller.

FIG. 31 is a top view of the fourth embodiment of the boiler controller; and,

FIG. 32 is a bottom view of the fourth embodiment of the boiler controller.

The broken lines in the figures show features of the boiler controller that form no part of the claimed design.