"SBT-22Y - Obsolete!! Replaced by ""GTN-YD""" SBT-22Y DISCONTINUED, REPLACEMENT IS GTN-YD(AC220); SBT-44Y SPEC 440V OBSOLETE- REPLACED BY GTN-YD 440V SBT-44Y obsolete, replaced by GTN_YD(R1); SBT-44Y S/N 80903076 SB-WH obsolete, replaced by GTN-WH;WINDING HEATER CONTROLLER SB-WH2 AC 220V SB-WHW 220V SCC-24F DISCONTINUED, REPLACEMENT IS BCC-24E (R2); SER.NO:40107348 SGMC-304 SHR GTN-WH SMC-501 SMC-501A SMC-501AH SMC-501B