For applications with high temperatures, e.g., district heating supply systems up to 140 °C and 1.6 MPa, low-pressure steam systems up to 120 °C and below 0.1 MPa, solar systems/vacuum tubes.

Installation note according to § 13 NAV.

Please note that devices with a connection value of 230 V will be delivered with either a protective contact plug or a fixed connection (without a plug), depending on the power rating. If the device has a fixed connection, a qualified service provider must be commissioned for the installation. All devices with a connection value of 400 V and above must be operated via a suitable high-current connection and may only be connected by a qualified electrician. For devices with a rated power of more than 12 kW, approval from your network operator will be required. Please contact the network operator or an installation company listed in the network operator's installer directory before installation. Such an installation company will assist you in obtaining the necessary approval from the respective network operator.