Energy type

Power output of 5, 8 kW (single phase), 11 and 15 kW (tri phase)
Reversible system for heating, dhw generation and also active cooling
system consisting of a heat pump to be installed outdoors and a hydraulic unit indoor, ideal for the efficient enlargement of an existing heating system to become a hybrid system,
fast installation through pre-installed hydraulic unit, complete system with fan coils for heating and active cooling
intuitive control and efficient hybrid management with multiMATIC 700/4

output versions of 19/23 and 24/28kW as mixed unit for heating and generation of domestic hot water instantaneously
combinable to Vaillant solar and controller range
combinable to Vaillant range of domestic hot water storages as well

Solar warm water generation, heating of swimming pools and / or support of central heating. Designed also for large commercial solar systems.
Compatible for on-roof installation, homogenous in-roof installation and for remote mounting on a flat roof or other area
VFK 145 and VFK 155 are available in horizontal and vertical installation versions, VFK 125 for vertical installation
For solar earnings even on cloudy days or days with low irradiation
Laser-welded aluminium-copper serpentine absorber ensures optimal heat transfer

output versions of 20/24, 25/30 and 30/34kW as mixed unit for heating and generation of domestic hot water and of 16, 24 and 38 kW as system boiler for only heating
Additional energy savings by high efficiency pump (in some countries)
Optimum modulation
Smart micro accumulation
combinable to Vaillant solar and controller range as well as to Vaillant range of domestic hot water storages