Direct Replacement For:

·   Armstrong: TWF424-40

·   Gemline: GT446

·   Jard: 4031F

·   Mars: 50203

·   Robertshaw 620-206

·   Robertshaw 620-406

·   Robertshaw 620-482

·   Supco: SXT105

·   White-Rodgers: 90-T40F3

·   White-Rodgers: GT4031F

·   Grainger: 6WU91

·   UEI: UET105

·   UEI: UET115

·   Honeywell: AT140A1018

·   Honeywell: AT40A1121

·   Honeywell: AT40A1139

·   Honeywell: AT40B1214

·   Source 1: S1-T2404F