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Wall-Hung Boiler Gas, CondensingecoTEC plus VU 48 - 65 kW

The versatile wall-mounted boiler for residential and commercial applications.

ecoTEC plus VU 48 - 65 kW
  • Proven, reliable gas condensing technology from Vaillant
  • Highly efficient condensing technology in a modulating boiler
  • Advanced technologies for efficient and durable operation
  • Compact installation as a single unit or in flexible cascade configurations
  • Compatible with hot water cylinders for domestic hot water demand
  • Modulation from 20 to 100% (1:5) for optimized performance
ecoTEC plus is an economical condensing boiler that boasts high heating energy efficiency of up to 94%. The ecoTEC plus 45–65 kW range of wall-hung condensing boilers is ideal as a central heating solution for large single-family homes, small apartment buildings, or non-residential properties. The boilers can be installed individually or in cascade setups with up to seven units. Combined with a Vaillant uniSTOR domestic hot water cylinder (available in capacities up to 2,000 liters), the system can provide ample hot water for every household need. When connected to a Vaillant allSTOR multifunctional buffer tank, the ecoTEC plus 45–65 kW can also work alongside solar systems or heat pumps, enabling efficient use of renewable energy. With its high-efficiency condensing technology and 1:5 modulation ratio, the system delivers reliable heating performance with significant energy savings.
[This image is AI generated] ecoTEC plus VU 48 - 65 kW
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Ideal for:
  • Heating

Technical data table overline

Technical data table headline

ecoTEC plus
VU 446 /5 -5 (H-GB)
VU 486/5-5
VU 486/5-5
VU 606 /5 -5 (H-GB)
VU 656/5-5 (H-INT IV)
VU 656/5-5
ErP Seasonal Space Heating Efficiency ClassErP Seasonal Space Heating Efficiency Class D A +++ D A +++ D A +++ D A +++ D A +++ D A +++
ErP Seasonal Space Heating Energy EfficiencyErP Seasonal Space Heating Energy Efficiency94 %94 %94 %94 %94 %94 %
ecoTEC plus
VU 446 /5 -5 (H-GB)
VU 486/5-5
VU 486/5-5
VU 606 /5 -5 (H-GB)
VU 656/5-5 (H-INT IV)
VU 656/5-5
Heat Output 50/30 °C (G20) (min - max)Heat Output 50/30 °C (G20) (min - max)8,7 - 48,0 kW8,7 - 48 kW8,7 - 48,0 kW12,2 - 63,5 kW12,2 - 63,5 kW12,2 - 63,5 kW
Heat Output 50/30 °C (G31) (min - max)Heat Output 50/30 °C (G31) (min - max)8,6 - 46,6 kW8,6 - 46,6 kW8,6 - 46,6 kW12,0 - 62,1 kW12 - 62,1 kW12,0 - 62,1 kW
Heat Output 80/60 °C (G20) (min - max)Heat Output 80/60 °C (G20) (min - max)7,8 - 44,1 kW8,5 - 46,6 kW7,8 - 44,1 kW11,0 - 58,7 kW11,8 - 61,7 kW11,0 - 58,7 kW
Heat Output 80/60 °C (G31) (min - max)Heat Output 80/60 °C (G31) (min - max)7,8 - 44,0 kW7,8 - 44 kW7,8 - 44,0 kW11,1 - 58,4 kW11,1 - 58,4 kW11,1 - 58,4 kW
Efficiency (30 %)Efficiency (30 %)109,1 %109,1 %109,1 %109,5 %109,5 %109,5 %
Gas Flow Rate, G20Gas Flow Rate, G204,71 m³/h4,76 m³/h4,78 m³/h6,35 m³/h6,32 m³/h6,35 m³/h
Gas Flow Rate, G31Gas Flow Rate, G313,51 kg/h3,72 kg/h3,51 kg/h4,66 kg/h4,93 kg/h4,66 kg/h

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