A sidewall of a metallurgical furnace, comprising: an outer wall; a top flange; a bottom flange; a hot plate coupled in a spaced apart relation to the outer wall between the top and bottom flanges, an inner surface of the hot plate having a bracket extending towards the outer wall, the bracket has a hole formed therethrough for accepting a fastener, the outer wall and hot plate forming an enclosure; a plurality of nozzles disposed in the enclosure and configured to spray coolant on the inner surface of the hot plate; and a buckstay mechanically coupled to the outer wall and the hot plate, the buckstay comprising: a buckstay flange extending between the top and bottom flanges; and a buckstay web extending from the buckstay flange, the buckstay web having a passage disposed adjacent the bottom flange, the buckstay web comprising: a first end coupled to the buckstay flange; and a second end mechanically and movably coupled to the bracket of the hot plate by the fastener that allows some movement between the bracket and buckstay thus permitting some relative motion between the hot plate and outer wall that is not permitted by welds, wherein the second end of the buckstay web is spaced from the hot plate to define a gap between the hot plate and the buckstay web sufficient to allow coolant to freely flow between the hot plate and the buckstay web. an outer wall; a top flange; a bottom flange; a hot plate coupled in a spaced apart relation to the outer wall between the top and bottom flanges, an inner surface of the hot plate having a bracket extending towards the outer wall, the bracket has a hole formed therethrough for accepting a fastener, the outer wall and hot plate forming an enclosure; a plurality of nozzles disposed in the enclosure and configured to spray coolant on the inner surface of the hot plate; and a buckstay mechanically coupled to the outer wall and the hot plate, the buckstay comprising: a buckstay flange extending between the top and bottom flanges; and a buckstay web extending from the buckstay flange, the buckstay web having a passage disposed adjacent the bottom flange, the buckstay web comprising: a first end coupled to the buckstay flange; and a second end mechanically and movably coupled to the bracket of the hot plate by the fastener that allows some movement between the bracket and buckstay thus permitting some relative motion between the hot plate and outer wall that is not permitted by welds, wherein the second end of the buckstay web is spaced from the hot plate to define a gap between the hot plate and the buckstay web sufficient to allow coolant to freely flow between the hot plate and the buckstay web. a buckstay flange extending between the top and bottom flanges; and a buckstay web extending from the buckstay flange, the buckstay web having a passage disposed adjacent the bottom flange, the buckstay web comprising: a first end coupled to the buckstay flange; and a second end mechanically and movably coupled to the bracket of the hot plate by the fastener that allows some movement between the bracket and buckstay thus permitting some relative motion between the hot plate and outer wall that is not permitted by welds, wherein the second end of the buckstay web is spaced from the hot plate to define a gap between the hot plate and the buckstay web sufficient to allow coolant to freely flow between the hot plate and the buckstay web. a first end coupled to the buckstay flange; and a second end mechanically and movably coupled to the bracket of the hot plate by the fastener that allows some movement between the bracket and buckstay thus permitting some relative motion between the hot plate and outer wall that is not permitted by welds, wherein the second end of the buckstay web is spaced from the hot plate to define a gap between the hot plate and the buckstay web sufficient to allow coolant to freely flow between the hot plate and the buckstay web.