Used in the following models: 991, 1801, 1261, 2071, 1441, 501, Copper Fin II 501-2071, 651, 751, 502, Copper Fin II 502-2072, Copper Fin II CP Parts, 652, 752, 992, 1262, 1442, 1802, 2072, CB 986, CW 986, Copper Fin 495-2067, Copper Fin 495-2067, CB 1256, CW 1256, CB 1436, CW 1436, CB 1796, CW 1796, CB 2066, CW 2066, CH 991, 991, Copper Fin II Parts, CH 991-2071, Copper Fin II 991-2071, Copper Fin II Parts, CH 1261, 1261, CH 1441, 1441, CH 1801, 1801, CH 2071, 2071, CB 987, CW 987, CB 1257, CW 1257, CB 1437, CW 1437, CB 1797, CW 1797, CB 2067, CW 2067, CH 401, 401, CH 501, 501, CH 651, 651, CH 751, 751, CH 402, 402, CH 502, 502, CH 652, 652, CH 752, 752, CH 992, 992, CH 1262, 1262, CH 1442, 1442, CH 1802, 1802, CH 2072, 2072