Information & engineering

Are you planning a new building or renovation? With our tools and apps, we support you in your building project. We have also summarised some interesting facts for you.

Downloads

For reference and downloading: Downloads include operating and installation instructions, useful software, plus product and spare part data.

Download now

The "ErP" Energy Label

Energy related products (ErP) are being given their own energy label. This means that boilers and domestic hot water appliances will now also be categorised into efficiency classes.

Useful information about the "ErP" Energy Label

Calculators and engineering aids

Perform a quick check or substantiate your own plans with figures – the simplest way is with the right calculators and engineering aids.

Go to selection

Domestic Hot Water Unit Selector

Using this tool, you can find the right system solution quickly and easily.

Discover more

Connection Diagram Finder

Quick and easy access to hydraulic schemes and wiring diagrams.

Discover more