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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

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

Well-adjusted drainback and pressurized system for the generation of solar domestic hot water
Minimum planning effort required, useable for domestic and light commercial segments
Protected from stagnation and frost damage
Little effort needed for installation and maintenance effort
Ideal solution especially for areas with high solar radiation

For supply of domestic hot water
Tank volumes 150, 200 and 300 litres
No additional energy costs for the pump function, electrical back-up can be added to the system
Reduced maintenance costs
Corrosion protection

High energy savings as well as independence from fossil fuels by obtaining free environmental heat from the earth probe or earth collector
Overview of system efficiency by graphical display of the environmental impact
Easy to use even in existing buildings thanks to flow temperatures of up to 62 ° C
Can be combined with a solar system and residential ventilation for even greater efficiency and energy savings
The regulation is carried out by the weather-compensated energy balancing controller, which controls the system particularly efficiently.

Output versions of 24, 28 and 36kW as heating appliance and 24,28,32 and 36kW as combi unit for heating and generation of instantaneous domestic hot water
Warm start function
Quick installation due to adjustable wall bracket and pipe cut-out
Easy maintenance due to 3-piece casing
Combinable to Vaillant solar and control range as well as to range of domestic hot water storages

As hot water cylinder for heat pumps or bivalent storage technology for use of additional energy from a solar system
Can be combined with geoTHERM heat pumps
can be combined with Vaillant solar system components
Magnesium protection anode

for control of the generation of solar domestic hot water and solar-supported heating
weather-guided control of the system
for up to 2 heating circuits, 1 direct heating circuit, 1 mixing circuit (f.ex. for underfloor heatingI, extendable up to 14 heating circuits
comfortable text display with graphical visualizations
constant indication of solar earnings, option for remote control, control for heating cascades

100% Vaillant quality for high performance
High energy and cost saving potential
Sustainable. Durable. Reliable.
up to 30% more efficient than older devices, ideally suited for replacing old non-condensing wall –hung boilers
superb price-performance ratio

Intelligent time and temperature control of heating, domestic hot water and additional pump for dhw circulation
New attractive, easy to use design with blue backlit wide display
Automatic Summer/Winter time change over, 5 operation modes – Automatic, Summer, comfort, set back and system off
Two temperature setting levels: Desired and set back temperatures, Cylinder boost option
eBUS connection, also obtainable with wireless data transfer ("f" version)

For solar domestic hot water generation systems
Vaillant user comfort “turn and click”, Fast and safe installation thanks to System Pro E
Symbol display, indication of operation status and cycle times, detection of solar earnings, indicated over the graphical display
Up to 2 independent collector fields
Option to connect a 2nd storage or swimming pool heating

Fast and easy planning of a solar installation. Long service life only with drainback technology
Integrated stagnation and freezing protection system
High Efficiency Circulating Pumps and eBUS Connection
Available in two versions, for collector fields up to 15 m2 and up to 30 m2, and with cascade installation up to 120 m2
Ideal solution for areas with large solar radiation with non-constant hot water needs (eg hotel, gym, etc.)

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