BARBER 80GA-21103-001-0-00 Heat Cool Module

80GA-21103-001-0-00 Heat/Cool Module is a MACO 8000-era temperature-control interface used in Barber Colman/MACO systems. Listed as Barber Colman 80GA-21103-001-0-00 and described in catalogs as a MACO 8000 Heat/Cool Module (MACO Pac), this refurbished unit carries the part number 80GA-21103-001-0-00 and is associated with codes such as 81ZZ and SM. In known configurations, the module is designed for 120 VAC operation at 50/60 Hz and supports 4-20 mA input control, aligning with typical MACO 8000 control schemes. It provides the heating and cooling control signals to the MACO 8000 controller, functioning as a replacement part within MACO PAC hardware ecosystems for industrial temperature regulation. As a repair-friendly spare part for MACO 8000 installations, it is intended to interface between the MACO 8000 controller and temperature-control actuators, enabling reliable heat and cool actuation in process or building-management contexts.