A method of regulating the water flow in a water network wherein a device for measuring and regulating a water flow is present, the device comprising: a measuring module for measuring the water flow or consumed water volume, the measuring module comprising: means of converting the measured water flow or consumed water volume into an electrical signal, and a wireless communications emitter for sending the electrical signal; and a regulating module for regulating the water flow, the regulating module comprising: a wireless communications receiver for receiving the electrical signal from the measuring module, and means for regulating the flow on the basis of the received electrical signal the method comprising the following steps: setting a water flow in a water network with the regulating module on the basis of a first electrical signal indicative of a desired flow; creating a second electrical signal in the measuring module indicative of the actual flow in the water network; sending the second electrical signal from the measuring module to the regulating module via the wireless communications emitter; receiving the second electrical signal in the regulating module via the wireless communications receiver; comparing the actual flow with the desired flow in a controller; creating a third signal indicative of the difference between the actually measured flow and the desired flow, wherein the creation of a third signal indicative of the difference between the actually measured flow and the desired flow is carried out by a controller in the regulating module; and regulating the flow in the regulating module on the basis of the third signal indicative of the difference between the actually measured flow and the desired flow. a measuring module for measuring the water flow or consumed water volume, the measuring module comprising: means of converting the measured water flow or consumed water volume into an electrical signal, and a wireless communications emitter for sending the electrical signal; and means of converting the measured water flow or consumed water volume into an electrical signal, and a wireless communications emitter for sending the electrical signal; and a regulating module for regulating the water flow, the regulating module comprising: a wireless communications receiver for receiving the electrical signal from the measuring module, and means for regulating the flow on the basis of the received electrical signal a wireless communications receiver for receiving the electrical signal from the measuring module, and means for regulating the flow on the basis of the received electrical signal setting a water flow in a water network with the regulating module on the basis of a first electrical signal indicative of a desired flow; creating a second electrical signal in the measuring module indicative of the actual flow in the water network; sending the second electrical signal from the measuring module to the regulating module via the wireless communications emitter; receiving the second electrical signal in the regulating module via the wireless communications receiver; comparing the actual flow with the desired flow in a controller; creating a third signal indicative of the difference between the actually measured flow and the desired flow, wherein the creation of a third signal indicative of the difference between the actually measured flow and the desired flow is carried out by a controller in the regulating module; and regulating the flow in the regulating module on the basis of the third signal indicative of the difference between the actually measured flow and the desired flow.