Used in the following models: 501, 991, 1801, 651, 1261, 2071, 751, 1441, EP 150, EP 200, EP 250, EP 300, Commercial Electric Hi Power Parts, 502, 652, 752, 992, 1262, 1442, 1802, 2072, CH 401, 401, Copper Fin II Parts, CH 401-751, Copper Fin II Parts, Copper Fin II 401-751, CH 501, 501, CH 651, 651, CH 751, 751, CB 987, CW 987, CB 1257, CW 1257, CB 1437, CW 1437, CB 1797, CW 1797, CB 2067, CW 2067, PB 502, PF 502, PB 752, PF 752, PB 1002, PF 1002, PB 1302, PF 1302, IB 1500, IW 1500, IB 1700, IW 1700, IB 2000, IW 2000, EB 150, EW 150, EB 200, EW 200, EB 250, EW 250, EB 300, EW 300, CH 991, 991, CH 1261, 1261, CH 1441, 1441, CH 1801, 1801, CH 2071, 2071, CH 992, 992, CH 1262, 1262, CH 1442, 1442, CH 1802, 1802, CH 2072, 2072, CB 986, CW 986, CB 1256, CW 1256, CB 1436, CW 1436, CB 1796, CW 1796, CB 2066, CW 2066, CB 495, CW 495, CB 645, CW 645, CB 745, CW 745