This Vaillant aroTHERM 3.5kW Plus Air Source Heat Pump, combined with the uniTOWER provides great performance, energy efficiency and sustainability, with an energy efficiency class of A+++. The aroTHERM plus provides heating and hot water as well as being equipped with the latest heat pump technology. The aroTHERM plus is ideal for retro-fit & new build installations as an energy effiicient solution to current gas boiler heating systems.

aroTHERM Heat Pump

• Very quiet operation
• Hermetically sealed — no refrigerant certification required
• Floating floor design absorbs vibration and reduces noise
• Vortex sensor for accurate performance analysis
• Weatherproof material and paint make it an ideal choice for coastal areas
• Integrated tray and trace heater to ensure clear condensation run

The uniTOWER is an integrated 190 litre cylinder with hydraulic components which can easily provide sufficient hot water for the needs of a family of five, including the use of rain showers. Thanks to its space-saving dimensions, the system is the perfect choice for new buildings. Installed indoors, the uniTOWER is about the size of a fridge freezer and saves valuable space in the room where it’s installed.

uniTOWER Cylinder

• 190-litre storage cylinder capacity, corresponds to up to 380-litres of usable hot water output.
• Hydraulic components already integrated, e.g. 15-litre expansion vessel.
• System accessory options, ready for integration, e.g. heating zone packs, 18-litre buffer or system separation plate heat exchanger.
• Modulating electric auxiliary heater with up to 6 kW .
• 3-way diverter valve.
• Electric wiring interface.