The Vaillant 612 Plus 12kw System Boiler Review

This 12 kw Vaillant system boiler uses a hot water cylinder that can be filled directly from the mains, meaning that most houses won’t need a cold water tank.

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Vaillant have designed their system boilers, the 12kw being the smallest model in the group, with efficiency, long term performance and usability as priorities.

Features and Benefits

  • Ultra-efficient 89.2% Efficiency Rating SAP
  • A-rated Boiler Could Mean £200 + Gas Bill Savings
  • Reduced Carbon Footprint By Up To 1,265 kg CO2
  • Push-Button Intuitive Programming
  • Vaillant Premium Components Mean Greater Durability
  • 5 Year Standard Warranty
  • Lifetime Guarantee with our HFB Cover Plan

How It Works

How do you know which model is right for you? Hassle Free Boilers will help you find the right model to suit the heat load of your particular property, allowing you to maximise the efficiency of your boiler. Installation of these Vaillant system boilers typically takes between one and two days, although the time frame may be extended if pipework and radiators need to be replaced.

Because this model has an efficiency of 89.4% home-owners can expect to save as much as £255* per year as well as reduce their carbon emissions by 1,265kg of C02 per year, due purely to the ultra-efficiency of these boiler types.

What You Need to Know

Quiet Mark has stamped it’s seal of approval on this model, this is in large part due to the quality of the components and highest standards of manufacturing that Vaillant adhere to, which makes their boilers run at such low noise levels. The ecoTEC system boilers come with a 5 year Guarantee/ Warranty as standard and with the Hassle Free Boilers monthly payment plan all maintenance and repairs are included for 12 years. The 12 kw model, view the 15kw model here, will suit smaller homes that are well insulated and have loft space for the hot water cylinder.

Hassle Free Boilers are proud to work in partnership with Vaillant to bring you their fantastic range of system boilers. It is because of this partnership that we’ve established from the beginning that we get such good prices on Vaillant boilers and can return the savings to you. We’ve always believed in using the best engineers as well, which is why we employ local engineers, but who are full time employees of Hassle Free Boilers. Be sure to contact us if you’re unsure about the correct boiler size for your home. We can help you decide using a heat load calculation along with understanding your heat usage habits.