For the connection of closed drinking water heaters according to DIN 1988, DVGW-approved and soundproof tested in class 1, consisting of shut-off valve, backflow preventer with test device, second shut-off valve (DN 20), diaphragm safety valve with valve seat made of stainless steel and extendable drain funnel, housing made of pressed brass, max. inlet pressure: 10 bar acc. to DIN EN 1488, max. operating pressure: max. 80 % of the response pressure of the safety valve, max. operating temperature: 30 °C, medium: drinking water, installation position: any, max. nominal capacity TWE: DN 15: 200 l / DN 20: 1,000 l, max. heating capacity: DN 15: 75 KW / DN 20: 150 KW, component identification TÜV-SV-10-545-DN-W-N-p, ABP-No.: PA-IX 1794/I

Installation instructions according to § 13 NAV

Please note that units with a connected load of 230V are delivered with a protective contact plug or a fixed connection (without plug), depending on the power rating.
If the unit has a fixed connection, a specialist company must be commissioned with the installation.
All units with a connected load of 400 V or more must be operated via a suitable power connection and may only be connected by a qualified electrician.
For units with a rated power of more than 12KW, approval from your network operator is required. For this purpose, please contact the network operator before installation.
or to an installation company registered in the grid operator's list of installers. Such an installation company will assist you in obtaining the necessary approval from the respective grid operator.