Fothermo specializes in innovative photovoltaic water heating systems, solar hybrid boilers, and PV heating elements for sustainable hot water production.
Fothermo System AG, based in Germany, develops innovative solar water heaters, photovoltaic hybrid boilers, and smart excess energy management devices. Their products are designed to directly utilize photovoltaic solar power for hot water generation, reducing energy costs and promoting sustainability.
From plug-and-play solar heating elements like the ROD-1000 to off-grid 12V/24V compatible hybrid boilers, Fothermo provides robust solutions for sustainable living, tiny houses, and off-grid hot water applications.
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Briefly press the navigation button to reach the 'CHANGE SYSTEM MODE' page. Select the mode matching your battery or external supply to prevent damage from deep discharging.
Yes, Fothermo devices can operate with 12V or 24V stationary batteries by selecting the appropriate excess management or reheating mode in the device settings.
Only connect photovoltaic modules in a parallel configuration using compatible connectors. Wiring them in series will exceed voltage limits and severely damage the heating unit.
User manuals can be accessed natively on our platform or via the official fothermo manual archive page at fothermo.com/en/pages/fothermo-user-manual.