The Bromic Expansion Board is a versatile accessory designed to enhance the functionality of Bromic’s On/Off and Dimmer control units. Available for the 1 and 2 channel models, this accessory enables seamless ethernet integration, providing a reliable and secure connection to your outdoor heaters. In addition, the Expansion Board includes 0,10V connections, making it simple to integrate with home automation systems or business management systems for effortless control and convenience.