Lochinvar TST2301 WELL, THERMOSTAT, ALL <p>Used in the following models: CB 495, CW 495, CS 495, CB 645, CW 645, CS 645, CB 745, CW 745, CS 745, CB 475, CW 475, CS 475, CB 570, CW 570, CS 570, CB 665, CW 665, CS 665, CB 760, CW 760, CS 760, CB 855, CW 855, CS 855, CB 940, CW 940, CS 940, CB 1120, CW 1120, CS 1120, CB 1210, CW 1210, CS 1210, CB 1350, CW 1350, CS 1350, CB 1540, CW 1540, CS 1540, CB 1700, CW 1700, CS 1700, CB 2000, CW 2000, CS 2000, CB 2310, CW 2310, CS 2310, CB 2620, CW 2620, CS 2620, CB 3080, CW 3080, CS 3080, CB 985, CW 985, CS 985, CB 1255, CW 1255, CS 1255, CB 1435, CW 1435, CS 1435, CB 1795, CW 1795, CS 1795, CB 2065, CW 2065, CS 2065, 501, 651, 751, CW 90, CW 135, CW 180, CW 199, CW 225, CW 270, CW 315, CW 360, CW 399, CW 500, EP 150, EP 200, EP 250, EP 300, CP 180, CP 199, CP 270, CP 360, ER 151, ER 201, ER 251, ER 301, ER 401, CH 750, CF 750, 750, CH 650, CF 650, 650, CH 500, CF 500, 500, CH 400, CF 400, 400, CH 300, CF 300, 300, CH 990, CF 990, CP 990, CH 1260, CF 1260, CP 1260, CH 1440, CF 1440, CP 1440, CH 1800, CF 1800, CP 1800, CH 2070, CF 2070, CP 2070, RB 45, RB 75, RB 90, RW 90, RB 135, RW 135, RB 180, RW 180, RB 225, RW 225, RB 270, RW 270, RB 315, RW 315, RB 360, RW 360, EB 150, EW 150, EB 200, EW 200, EB 250, EW 250, EB 300, EW 300, RB 399, RW 399, RB 500, RW 500, PB 250, PF 250, PB 500, PF 500, PB 750, PF 750, PB 1000, PF 1000, 991, 1801, 1261, 2071, 1441</p> NO LONGER AVAILABLE NO LONGER AVAILABLE NO LONGER AVAILABLE NO LONGER AVAILABLE