atmoMAG I,Z

Instantaneous gas water heaters: the flexible solution for apartments

  • Proven millions of times over, technically mature: Maximum hot water comfort thanks to economical and durable operation
  • Flexibility as standard: If usage habits change - simply increase the appliance output and change the flow rate
  • Many possibilities: Can be used as a direct tapper, remote tapper or combined as a direct and remote tapper


A gas instantaneous water heater, or geyser, is a cost-effective alternative to heating water with electricity. Proven millions of times over, they provide constant hot water, especially in apartments or when modernizing old buildings - just like the atmoMAG from Vaillant.

Many detailed solutions in every atmoMAG ensure the optimum combination of hot water convenience and economy. For example, the OPTI-MOD function, which allows each user to set their desired temperature. Another point is the low noise level, which means that it can be installed in the living area at any time.

Operating convenience

Convenient two-button operation for all functions


Reduced costs thanks to perfectly adapted energy consumption


Ready to connect for immediate installation



Energy efficiency class  
Hot water (A+ - F)AA
Power size6,4 - 18,1 kW8,3 - 23,1 kW
Dimensions unpacked (height / width / depth)680 / 350 / 259 mm680 / 350 / 259 mm
Weight10,9 kg12,2 kg
Gas typesNatural gas E, natural gas LL, liquid gasNatural gas E, natural gas LL, liquid gas
Possible ignition types: Battery (I) and piezo (Z)

Related Products

Related Products

atmoTEC / turboTEC pro

  • Output 24 and 28 kW, openned and fanned flue
  • Compact dimensions, low weight
  • Suitable also for solar installation
  • Combinable with control technology
  • Easy and quick installation for user-friendly and reliable operation

atmoTEC and turboTEC plus

  • Output versions of 24, 28 and 36kW as heating appliance and 24,28,32 and 36kW as combi unit for heating and generation of instantaneous domestic hot water
  • Warm start function
  • Quick installation due to adjustable wall bracket and pipe cut-out
  • Easy maintenance due to 3-piece casing
  • Combinable to Vaillant solar and control range as well as to range of domestic hot water storages