The ornamental design for a flamemonitoring and ignitiondevice, as shown and described.
FIG. 1 is a front, left, top perspective view of a flame monitoring and ignition device showing the new design;
FIG. 2 is a rear, right, bottom 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 a 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 of uneven length illustrate the boundary of the claimed design, and form no part thereof. The broken lines of even length illustrate portions of the flame monitoring and ignition device that form no part of the claimed design.