Heat PumpsCondensing Combi Boilers and BoilersFloor-standing Condensing BoilersElectric BoilersSplit and Multi-split Air ConditionersFan-coil UnitsHot-water Cylinders and Buffer TanksGas Water HeatersControls and Thermostats
Vaillant ecoTEC exclusive
Top-of-range wall-mounted heating-only condensing boiler; can supply hot water through an external cylinder.
- Heating only (VC)
- Wide modulation range
- External cylinder connection
ecoTEC exclusive
VC 20CS/1-7
- Heating output 50/30 °C
- 2,8 – 21 kW
- Heating output 80/60 °C
- 2,5 – 19,7 kW
- Hot-water output
- 24 kW
- Seasonal efficiency ηs
- %94
- Dimensions H×W×D
- 720 × 440 × 348 mm
- Weight
- 34 kg
ecoTEC exclusive
VC 25CS/1-7
- Heating output 50/30 °C
- 2,8 – 26,4 kW
- Heating output 80/60 °C
- 2,5 – 24,7 kW
- Hot-water output
- 27,5 kW
- Seasonal efficiency ηs
- %94
- Dimensions H×W×D
- 720 × 440 × 348 mm
- Weight
- 34 kg
Vaillant ecoTEC exclusive VCW
Premium condensing combi boiler providing heating and instantaneous hot water in one appliance.
- Kombi (VCW)
- High hot-water flow
ecoTEC exclusive VCW
VCW 36CF/1-7
- Heating output 50/30 °C
- 3,4 – 27,1 kW
- Heating output 80/60 °C
- 3,0 – 25,0 kW
- Hot-water output
- 36,4 kW
- Hot-water flow rate
- 17,6 l/dk
- Seasonal efficiency ηs
- %94
- Dimensions H×W×D
- 720 × 440 × 382 mm
- Weight
- 41 kg
Vaillant ecoTEC plus VC
Widely used residential wall-mounted heating-only boiler range, with several output options and external cylinder connection.
- Heating only (VC)
- 15–35 kW options
ecoTEC plus VC
VC 15CS/1-5
- Heating output 50/30 °C
- 2,8 – 16,2 kW
- Heating output 80/60 °C
- 3,0 – 14,8 kW
- Seasonal efficiency ηs
- %93
- Dimensions H×W×D
- 720 × 440 × 348 mm
- Weight
- 32 kg
ecoTEC plus VC
VC 20CS/1-5
- Seasonal efficiency ηs
- %94
- Dimensions H×W×D
- 720 × 440 × 348 mm
- Weight
- 34 kg
ecoTEC plus VC
VC 25CS/1-5
- Seasonal efficiency ηs
- %94
- Dimensions H×W×D
- 720 × 440 × 348 mm
- Weight
- 35 kg
ecoTEC plus VC
VC 30CS/1-5
- Seasonal efficiency ηs
- %94
- Dimensions H×W×D
- 720 × 440 × 348 mm
- Weight
- 36 kg
ecoTEC plus VC
VC 35CS/1-5
- Seasonal efficiency ηs
- %94
- Dimensions H×W×D
- 720 × 440 × 382 mm
- Weight
- 38 kg
Vaillant ecoTEC plus VCI
Condensing appliance storing hot water within its casing, providing heating and comfortable hot-water delivery.
- Dahili depolama (VCI)
- Comfortable hot water
ecoTEC plus VCI
VCI 26CS/1-5
- Heating output 50/30 °C
- 2,8 – 21,0 kW
- Heating output 80/60 °C
- 2,5 – 19,7 kW
- Hot-water output
- 26,0 kW
- Hot-water flow rate
- 15,0 l/dk
- Seasonal efficiency ηs
- %94
- Dimensions H×W×D
- 720 × 440 × 546 mm
- Weight
- 55 kg
Vaillant ecoTEC plus VCW
Wall-mounted condensing combi boiler for heating and instantaneous hot water.
- Kombi (VCW)
- 26 / 32 kW
ecoTEC plus VCW
VCW 26CS/1-5
- Heating output 50/30 °C
- 2,8 – 21,7 kW
- Heating output 80/60 °C
- 2,5 – 19,8 kW
- Hot-water output
- 25,7 kW
- Hot-water flow rate
- 12,2 l/dk
- Seasonal efficiency ηs
- %94
- Dimensions H×W×D
- 720 × 440 × 348 mm
- Weight
- 32 kg
ecoTEC plus VCW
VCW 32CS/1-5
- Heating output 50/30 °C
- 3,9 – 27,0 kW
- Heating output 80/60 °C
- 3,4 – 24,8 kW
- Hot-water output
- 31,8 kW
- Hot-water flow rate
- 15,1 l/dk
- Seasonal efficiency ηs
- %94
- Dimensions H×W×D
- 720 × 440 × 348 mm
- Weight
- 36 kg
Vaillant ecoTEC pro VC
Value-focused wall-mounted heating-only condensing boiler.
- Heating only (VC)
- 14–24 kW
ecoTEC pro VC
VC 146/5-3
- Heating output 50/30 °C
- 5,9 – 15,3 kW
- Heating output 80/60 °C
- 5,2 – 14 kW
- Hot-water output
- 16 kW
- Seasonal efficiency ηs
- %93
- Dimensions H×W×D
- 720 × 440 × 338 mm
- Weight
- 32 kg
ecoTEC pro VC
VC 186/5-3
- Heating output 50/30 °C
- 5,7 – 20 kW
- Heating output 80/60 °C
- 5,2 – 18,5 kW
- Seasonal efficiency ηs
- %93
- Dimensions H×W×D
- 720 × 440 × 338 mm
- Weight
- 33,5 kg
ecoTEC pro VC
VC 246/5-3
- Heating output 50/30 °C
- 7,1 – 25,9 kW
- Heating output 80/60 °C
- 6,2 – 24 kW
- Hot-water output
- 28 kW
- Seasonal efficiency ηs
- %94
- Dimensions H×W×D
- 720 × 440 × 338 mm
- Weight
- 32 kg
Vaillant ecoTEC pro VCW
Value-focused condensing combi boiler for heating and instantaneous hot water.
- Kombi (VCW)
ecoTEC pro VCW
VCW 236/5-3
- Heating output 50/30 °C
- 5,7 – 20,0 kW
- Heating output 80/60 °C
- 5,2 – 18,5 kW
- Hot-water output
- 23,0 kW
- Hot-water flow rate
- 11,0 l/dk
- Seasonal efficiency ηs
- %93
- Dimensions H×W×D
- 720 × 440 × 338 mm
- Weight
- 35 kg
Vaillant ecoTEC pure VC
Simple, economical heating-only condensing boiler for basic requirements.
- Heating only (VC)
- Ekonomik series
ecoTEC pure VC
VC 226/7-2
- Heating output 50/30 °C
- 7,0 – 20,1 kW
- Heating output 80/60 °C
- 6,4 – 18,5 kW
- Hot-water output
- 24,4 kW
- Seasonal efficiency ηs
- %92
- Dimensions H×W×D
- 720 × 440 × 338 mm
- Weight
- 30 kg
Vaillant ecoTEC pure VCW
Economical condensing combi boiler for heating and instantaneous hot water.
- Kombi (VCW)
- Ekonomik series
ecoTEC pure VCW
VCW 226/7-2
- Heating output 50/30 °C
- 7,0 – 20,1 kW
- Heating output 80/60 °C
- 6,4 – 18,5 kW
- Hot-water output
- 24,3 kW
- Hot-water flow rate
- 11,5 l/dk
- Seasonal efficiency ηs
- %92
- Dimensions H×W×D
- 720 × 440 × 338 mm
- Weight
- 30,8 kg
Technical data compiled from the manufacturer’s Polish website (vaillant.pl ↗). Models and specifications may vary by country and over time; the manufacturer’s current documentation is authoritative. HYDRATERM is an independent installer and service provider for Vaillant products and is not an official representative of the manufacturer.
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