Clearly defined connections support:

Heating water flow / return
Domestic hot water and circulation
Cold water inlet and drain
Solar flow and return (concealed)

Designed for seamless integration with Viessmann solar thermal systems for DHW and heating support.

Ideal for hybrid installations combining:

Vitodens
Vitoladens
Vitocal
Vitovalor
heat generators.

Optional electric heating elements allow:

PV surplus utilisation
Summer comfort operation without firing the main heat generator.