120v/60Hz replacement transformer ballast for MightyPure MP16A, MP22A, MP36C, and MP49C lamps and Sanitron S17A (05-1098-R), S23A (05-1097-R), S37C (05-1343-R), and S50C (05-1334-R) lamps. It can also be used with G12, G48T5, GPH212, and GPH1148T5 germicidal lamps.This ballast can also be used to replace the obsolete Sterilight BA-539 magnetic ballast. The two red wires get twisted together as described in the wiring diagram linked below. This new improved version replaces older 120V/60Hz Transformer Ballast part numbers: 10-1036, 10-1071, 10-1073 and 10-1049. The Sanitron S50 Series in 120V accepts either the 10-0137 or 10-0091 Transformer Ballast. Also replaces part number 10-1079 for the ROMP36 system, and the Atlantic Treatment Services part number BA-ATS8-224 for the Hydroflo UV-10A system.

NOTE: The 10-0137 ballast may be wired differently from older, obsolete models.