Trane ECONTH01AAUTOA Humidifier 326058 755 This Erasable Programmable Read Only Memory This Erasable Programmable Read Only Memory component contains the critical operational parameters and software logic required for OptiView control panels and York microboard assemblies Universal Compatibility: Standard 3 8" x 1 2" sweat connections compatible with a wide range of Trane and American Standard evaporator coils Step up your humidity management with the Trane ECONTH01AAUTOA Humidifier this 24V humidifier control is designed for standard 18 AWG wiring and can be integrated into most HVAC systems requiring automatic humidity modulation