The control unit ISR Plus from BRÖTJE on a light-blue wall.

System control and connected devices from BRÖTJE

ISR Plus

Pocket-sized control room

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ISR Plus characteristics

The ISR room unit features a completely modular design and is WiFi-compatible with the corresponding accessories, which means that all functions - from heating circuits to storage regulation and weather management to the integration of solar systems - can be conveniently controlled. Information covering all data is provided over three user and service levels in multilingual full text format. All contents are clear and legible thanks to the clear, backlit graphical display.

The control unit ISR Plus from BRÖTJE on a light-blue wall.

Tutorials & videos

A white regulator for gas heaters, with the Brötje logo on the left.

Overview of ISR-Plus control system

A white regulator for gas heaters, with the Brötje logo on the left.

Brief instructions

A white regulator for gas heaters, with the Brötje logo on the left.

Setting the system time

A white regulator for gas heaters, with the Brötje logo on the left.

Setting the heat profile

A white regulator for gas heaters, with the Brötje logo on the left.

Setting the nominal temperature

A white regulator for gas heaters, with the Brötje logo on the left.

Heating time programme

Documents & downloads

Additional links

A round, white control element, which can be turned on and off. The colours of the ErP guidelines are arranged around the left side of the rotary knob.

Interesting Facts about the EU's Ecodesign Directive (ErP)

The ErP label informs you about the efficiency class of your device on a scale from A ++ to G. Heat pumps are marked with a climate card.

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Two Brötje employees sitting in a delivery van. Both are smiling.

Are you an installer?

We are currently looking for skilled engineers to install and maintain state-of-the-art BRÖTJE heating systems across Germany. To keep you up to date at all times, we will provide you with a portal that contains important information about all of our products and B2B services.

Go to the installer portal

We’re here to help

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Answering your questions

Do you have a question about one of our products, our state-of-the-art heating technology, maintenance, servicing or financial support? We’ve compiled a list of some of the most frequently asked questions.

Go to FAQs