Hydraulic Tower for Air-to-Water Heat PumpuniTOWER plus

Flexible heat pump indoor unit with integrated hot water cylinder.

Flexible system design with easy installation and transport
High hot water performance with efficient and reliable everyday comfort
All-in-one compact design that blends seamlessly even in kitchen cabinets

The uniTOWER plus delivers powerful hot water performance in a surprisingly compact footprint, roughly the size of a large fridge, making it the ideal choice even for smaller homes. All essential hydraulic components are integrated into one unit, ensuring efficient, space-saving operation that blends naturally into modern living spaces. The 190-litre cylinder provides generous hot water comfort as standard, with enough capacity for long showers and high flow volumes. And should the installation route be less than straightforward, the innovative Split Mounting Concept makes light work of narrow staircases, so the uniTOWER plus can go virtually anywhere in the home. Complete the setup with optional smart control via the myVaillant app, and you have effortless comfort and convenient heating management at your fingertips, wherever you are.

Ideal for:

Heating
Hot water
Cooling

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uniTOWER plus
VIH QW 190/6 E	VIH QW 190/6

Cylinder

Cylinder Nominal Capacity	Cylinder Nominal Capacity	188 l	188 l

Electrical Connection

Electrical Power Consumption (max)	Electrical Power Consumption (max)	8,6 kW	0,06 kW
Electrical Voltage Supply	Electrical Voltage Supply	230 V (50 Hz), 400 V (50 Hz)	230 V (50 Hz)
IP Rating¹	IP Rating¹	IP10B	IP10B

Hydraulics

Expansion Vessel Volume	Expansion Vessel Volume	16 l	16 l
Pressure Expansion Vessel	Pressure Expansion Vessel	0,76 bar	0,76 bar

Connections

Connection Dimension Heating (Flow, Return)	Connection Dimension Heating (Flow, Return)	G 1″	G 1″
Connection Dimension Heat Source	Connection Dimension Heat Source	G 1 ¼″	G 1 ¼″
Connection Dimension Domestic Hot Water, Cold Water	Connection Dimension Domestic Hot Water, Cold Water	G ¾″	G ¾″

Dimensions

Height / Width / Depth	Height / Width / Depth	1.880 mm / 595 mm / 693 mm	1.880 mm / 595 mm / 693 mm
Weight (Unpackaged, Net)	Weight (Unpackaged, Net)	146 kg	143 kg
Weight Ready for Operation	Weight Ready for Operation	348 kg	347 kg

Limitations

Current Consumption Rated Current (230 V) (max)	Current Consumption Rated Current (230 V) (max)	23,5 A	2,6 A
Current Consumption Rated Current (400 V) (max)	Current Consumption Rated Current (400 V) (max)	13,6 A	-
Domestic Hot Water Temperature (With Back-Up Heater) (max)	Domestic Hot Water Temperature (With Back-Up Heater) (max)	70 °C	-
Domestic Hot Water Temperature (max)	Domestic Hot Water Temperature (max)	-	70 °C

¹EN 60529

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Operating Instructions

uniTOWER plus Operating & Installation InstructionVIH QW 190/6 E, VIH QW 190/6PDF (5.73 MB)