The 098514-01 Thermocouple will fit the following Comfort Glow Vent-Free wall heater model numbers: CGCF26T, CGCF26TNA, CGCF26TP, CGCF26TPA, CGN6, CGN6L, CGN6LA, CGN10, CGN10A, CGN10L, CGN10LA, CGN10R, CGN10RL, CGN10RLA, CGN10T, CGN10TL, CGN10TLA, CGN12, CGN12A, Charm Glow, CGL250TE-C Series Heaters The 098514-01 Thermocouple will fit the following Blue-Flame Vent-Free Natural Gas Heater wall heater model numbers: CGN18, CGN18A, CGN18B, CGN18C, CGN18T, CGN18TA, CGN18TB