4-way valve together with controller for radiator circuit.
1The mixing valve regulates the radiator circuit by mixing the temperature from the radiator return pipe and boiler circuit. At the same time is the return water from the radiators mixed with hot water to protect the boiler from to low return temperatures.
2A indoor sensor based controller for the heat circuit offering a high level of comfort and at the same time provide energy saving. Thanks to the special interface between the valve VRG140 and controller has the combinationen a unique stability and precision when regulating.
3A complete weather compensating controller for the heat circuit with many possibilities adjusments according to individual requirements.