Kozyheat #KLS45 is a gas log conversion set designed to be used with Kozy Heat fireplace models 231, 231 ZC, 232, 234, 430, and 432. It features a millivolt board with a 3/8" flexible gas line, 18" long, and is equipped with a safety shut-off switch that automatically turns off the burner in case of a downdraft. The KLS45 comes with a variety of log styles, including a back log, front log, top Y log, top knothole log, top right curved log, and a bark log. It has a BTU input of 45,000 and requires a minimum inlet gas supply pressure of 5.0 inches W.C. for natural gas and 11.0 inches W.C.