The ESBE series GBC200 is a circulation unit series with bivalent function intended to deliver the right amount of energy from multiple sources. The ESBE bivalent solution makes it possible to optimize the mixing precision. The circulation units have a capacity up to 54kW and are within this range designed to work perfectly regardless of the system energy need. Equipped with High Efficiency circulation pump and a tailor-made insulation you can be sure that ESBE delivers the best circulation unit for both your economy as well as for the environment. When designing the circulation unit product line the focus at ESBE has been to simplify installation. This goes through the whole product from mounting brackets, insulation to packaging design. The ESBE series GBC200 is a weather compensation controlled circulation unit intended to deliver the right amount of energy to the system at every situation. GBC211 is controlled by ESBE 90C-3A, a complete weather-compensating control unit with integrated actuator. The 90C-3A is equipped with full graphic display for easy handling and instant set-up. It can handle up to 7 different sources of data input and has 3 possibilities of output control. This makes the GRC211 circulation unit versatile and able to control a number of heat circuits and system components with high accuracy. Potential energy savings with the 90C is 17%, compared to a manually operated valve.