Gas condensing boilers

15 products
  • ecoCOMPACT VCC compact gas boiler

    Compact gas

    ecoCOMPACT VCC

    • Heating
    • Hot water
    • Ideal for areas with harder water.
    • Particularly space-saving with a footprint of just 0.41 m².
    • All standard components integrated; additional accessories can be fitted.
    • Quick installation thanks to the Split Mounting Concept.
    • Compliant with the German Building Energy Act (GEG): operation with up to 100% biomethane or 100% bio-LPG possible.
  • ecoCOMPACT VSC compact gas boiler

    Compact gas

    ecoCOMPACT VSC

    • Heating
    • Hot water
    • Particularly space-saving with a footprint of just 0.41 m².
    • Versatile with 3 output and storage-tank sizes.
    • All standard components integrated; additional accessories can be fitted.
    • Quick installation thanks to the Split Mounting Concept.
    • Operation with up to 100% biomethane or 100% bio-LPG possible.
  • ecoCRAFT exclusiv gas condensing boiler

    Gas condensing

    ecoCRAFT exclusiv

    • Heating
    • Narrow appliance width makes it suitable for confined installation rooms.
    • Up to 3 boilers can be cascaded for a total output of up to 723 kW.
    • High reliability thanks to Vaillant comfort backup.
    • Optional integration into building management systems via Modbus.
    • Operation with up to 100% biomethane or 100% bio-LPG possible.
  • ecoTEC exclusive VC wall-mounted gas condensing appliance

    Gas condensing

    ecoTEC exclusive VC

    • Heating
    • Convertible to operation with 100% hydrogen.
    • Compatible with 100% biomethane, 100% bio-LPG or 20% hydrogen as standard.
    • Self-adapting IoniDetect combustion control detects gas types and compensates for variations in gas quality.
    • Includes an internet module for digital system management.
  • ecoTEC exclusive VCW wall-mounted gas condensing appliance

    Gas condensing

    ecoTEC exclusive VCW

    • Heating
    • Hot water
    • An enhanced heat-exchanger design increases efficiency by 8%.
    • Compatible with 100% biomethane as standard.
    • Self-adapting IoniDetect combustion control detects gas types and compensates for variations in gas quality.
    • Includes an internet module for digital system management.
  • ecoTEC plus VC 1-5 wall-mounted gas condensing appliance

    Gas condensing

    ecoTEC plus VC 1-5

    • Heating
    • Convertible to operation with 100% hydrogen.
    • Compatible with 100% biomethane, 100% bio-LPG or 20% hydrogen as standard.
    • Self-adapting IoniDetect combustion control detects all gas types and automatically compensates for variations in gas quality.
    • Shared flue systems and cascades can be implemented.
    • Ideal for covering peak loads in hybrid systems.
  • ecoTEC plus VC 406/476/636/5-5 wall-mounted gas condensing appliance

    Gas condensing

    ecoTEC plus VC 406/476/636/5-5

    • Heating
    • Ideal for large detached houses and apartment buildings.
    • Up to 4 appliances can be cascaded for a total output of 192 kW.
    • Low appliance weight of no more than 47 kg.
    • Optimal combustion through a pneumatic gas/air system.
    • Operation with up to 100% biomethane or 100% bio-LPG possible.
  • ecoTEC plus VC 806/1006/1206/5-5 wall-mounted gas condensing appliance

    Gas condensing

    ecoTEC plus VC 806/1006/1206/5-5

    • Heating
    • Ideal as a central heating system for large buildings.
    • Up to 6 appliances can be cascaded for a total output of 720 kW.
    • Space-saving hydraulic connections beneath the appliance.
    • Optimal combustion through an electronic gas/air system.
    • Operation with up to 100% biomethane or 100% bio-LPG possible.
  • ecoTEC plus VCI 1-5 wall-mounted gas condensing appliance

    Gas condensing

    ecoTEC plus VCI 1-5

    • Heating
    • Hot water
    • Combination boiler with a 20-liter stratified storage tank.
    • Convertible to operation with 100% hydrogen.
    • Compatible with 100% biomethane, 100% bio-LPG or 20% hydrogen as standard.
    • Self-adapting IoniDetect combustion control detects all gas types and compensates for variations in gas quality.
    • Shared flue systems and cascades can be implemented.
  • ecoTEC plus VCW 1-5 wall-mounted gas condensing appliance

    Gas condensing

    ecoTEC plus VCW 1-5

    • Heating
    • Hot water
    • Combination boiler with instantaneous hot water preparation.
    • Convertible to operation with 100% hydrogen.
    • Compatible with 100% biomethane, 100% bio-LPG or 20% hydrogen as standard.
    • Self-adapting IoniDetect combustion control detects all gas types and compensates for variations in gas quality.
    • Shared flue systems and cascades can be implemented.
  • ecoTEC pure VC wall-mounted gas condensing appliance

    Gas condensing

    ecoTEC pure VC

    • Heating
    • Budget-conscious entry into gas condensing technology.
    • Shared flue systems with up to 10 appliances possible.
    • Ideal for modernizing decentralized heating systems in rental properties.
    • Thoughtful appliance design for time-saving installation and maintenance.
    • Operation with up to 100% biomethane or 100% bio-LPG possible.
  • ecoTEC pure VCW wall-mounted gas condensing appliance

    Gas condensing

    ecoTEC pure VCW

    • Heating
    • Hot water
    • Combination boiler with instantaneous hot water preparation.
    • Budget-conscious entry into gas condensing technology.
    • Shared flue systems with up to 10 appliances possible.
    • Ideal for modernizing decentralized heating systems in rental properties.
    • Operation with up to 100% biomethane or 100% bio-LPG possible.
  • ecoVIT floor-standing gas condensing boiler

    Gas condensing

    ecoVIT

    • Heating
    • Perfect for straightforward replacement of old boilers.
    • Stainless-steel smooth-tube heat exchanger with a 100-liter water capacity.
    • Up to 3 boilers can be cascaded for a total output of 153 kW.
    • Suitable for hybrid systems with a heat pump.
    • Operation with up to 100% biomethane or 100% bio-LPG possible.
  • ecoVIT exclusiv floor-standing gas condensing boiler

    Gas condensing

    ecoVIT exclusiv

    • Heating
    • Versatile thanks to robust and efficient technology.
    • High-quality stainless-steel smooth-tube heat exchanger with a 100-liter water capacity.
    • Up to 4 boilers can be cascaded for a total output of 180 kW.
    • Space-saving hybrid solution with no buffer tank required.
    • Operation with up to 100% biomethane or 100% bio-LPG possible.
  • icoVIT exclusiv floor-standing oil condensing boiler

    Oil condensing

    icoVIT exclusiv

    • Heating
    • Lower pollutant emissions thanks to blue-flame burner technology.
    • High-quality stainless-steel smooth-tube heat exchanger with a 120-liter water capacity.
    • Resource-efficient: a 20% bio-heating-oil blend or operation with 100% HVO possible.
    • Space-saving hybrid solution with no buffer tank required.
    • 2 boilers can be cascaded for a total output of up to 70 kW.