The Neptronic NWHEC0000SS Electronic Control Board is a replacement control component designed for compatible Neptronic HVAC equipment, including humidification and air treatment systems. It processes signals from sensors and connected components to manage system functions, regulate operation, and coordinate heating or humidification cycles as required. This control board supports acc... https://www.partshnc.com/neptronic-nwhec0000ss-electronic-control-board