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Viessmann 100W 30KW Combi System Boiler

Viessmann Boiler Replacement

Viessmann Boiler, Boilers Ireland, Gas Boilers

Viessmann 100W 30KW Combi System Boiler

With their compact dimensions, low weight and quiet operation, the attractively priced Vitodens 100-W gas condensing boilers will integrate effortlessly into any living space.
2,870 was €2,976 ORDER NOW


What's Included


tick-icon Veissmann 30KW Combi System Boiler tick-icon Horizontal Flue
tick-icon 5 Year Manufacturer Warranty tick-icon Upgrade & extension of gas line (1m)
tick-icon Removal of existing boiler tick-icon Internal condensate disposal
tick-icon Full chemical flush tick-icon Full commissioning of gas system


Get €700 grant when you upgrade your Heating Controls?


The right heating controls will let you keep your home at a comfortable temperature without wasting fuel or heat.


  • You are eligible to receive grant of  €700 help cover the cost of boiler and heating control upgrades to all homes built before 2006.
  • You are also eligible to receive Electric Ireland credit on your next Gas or Electric Bill
  • You can save money on your heating bills by installing and using your heating efficiently
  • You can schedule your heating and hot water to go on and off when needed.
  • You can select areas of your home to heat and the required temperature for each room, rather than heating a whole house at the same temperature.
  • You’ll reduce your carbon dioxide emissions.



Product Specifications




SEDBUK annual efficiency 2009 88.9
Efficiency at (100% of gross rated output) 88.3%
Efficiency at (30% of gross rated output) 97.5%
Power Consumption Max 134W
Dimensions (mm) height x width x depth 700 x 400 x 350
Lift weight (kg) 35
Power Comsumption (Standby mode) 4.8W
NOx emissions (mg/kWh) 39
NOx classification (class) 5




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1890 911 922

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€2,450 was €2,638

Viessmann 100W 35KW Combi System Boiler


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€2,770 was €2,867

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Choose from our large range of gas boilers.


We have a boiler to suit every home.



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Improving your home can represent a substantial investment. Our expert plumbers will give you peace of mind, with a top quality heating installation.

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