Solar Systems
Viessmann offers a complete line of high-quality flat plate and vacuum tube solar collectors, as well as system components, such as stainless steel storage tanks, system controls, innovative mounting hardware and pre-assembled pumping stations - all designed and manufactured by Viessmann to integrate seamlessly.
This complete system approach - with all components conveniently from one manufacturer, designed to match perfectly - not only saves time in the planning and installation phase, but provides maximum system reliability and performance.
Indirect-fired DHW tanks for every need
Vitocell-B domestic hot water tanks are specifically designed for use with solar systems. With these dual-coil tanks, heat from the solar collectors is transferred to the water via the lower heat exchanger coil. The upper heat exchanger coil accommodates reheating by the heating boiler.
![]() | Vitocell-B 100Dual-coil steel DHW tank with Ceraprotect two-coat enamel finish. |
![]() | Vitocell-B 300Dual-coil stainless steel DHW tank for a lifetime of hygienic DHW heating. |
Intelligent Energy Management
Solar heating is especially effective when Vitosol solar collectors are used in conjunction with Vitosolic energy management. Vitosolic solar controls cover all conventional solar heating applications and can control up to four separate energy consumers. Data can be exchanged with the weather-responsive Vitotronic control via KM-BUS.
Vitosolic ensures that heat from the solar collectors is utilised as efficiently as possible, either for domestic hot water, swimming pool, or central heating backup. Vitosolic communicates with the boiler circuit control and switches off the boiler as soon as sufficient solar energy is available. This relieves the boiler and reduces energy costs.
![]() | Solar ControlsDifferential temperature controls for solar systems. |
Solar-Divicon
With its all-new fully-integrated design, the Solar-Divicon pumping station combines all required hydronic components of a closed-loop solar system into one convenient assembly.
Compact, fully assembled and equipped with all NPT fittings, it's fast and easy to install and eliminates piping errors right from the start. It handles all hydronic and safety functions and works with any Viessmann or third-party closed-loop solar system.
![]() | Solar-DiviconPre-assembled solar pumping and heat transfer stations |
Piping Made Easy!
Save valuable time with our flexible insulated piping system for solar thermal installations!
This all-in-one splitable twin-tube system, complete with insulation and sensor wire, is available in corrugated ¾" stainless steel with isiclick® quick-connect fittings or as ½" copper piping with NPT fittings.
Make solar installations quick and easy!
![]() | Solar Piping SystemsFlexible insulated piping systems of stainless steel or copper |










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