The Trane MOD02105 IPAK Multi-Purpose Module is an electronic control component designed to support the operation and coordination of compatible Trane HVAC equipment. It processes control signals and helps manage system functions, enabling connected components to operate according to programmed requirements. This module is used in compatible Trane HVAC systems, depending on equipment ... https://www.partshnc.com/trane-mod02105-ipak-multi-purpose-module