The Trane MOD03104 Odyssey Adapter Module is an interface component designed for compatible Trane Odyssey commercial HVAC systems. It enables communication and integration between system controls and connected equipment, allowing operating signals to be properly transmitted and interpreted. Used with compatible packaged rooftop units and related Odyssey HVAC equipment, this module sup... https://www.partshnc.com/mod03104-trane-odyssey-adapter-module