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    Vaillant ecoTEC Pro Combi Boilers

    You can expect to pay between £925 and £1,806 (including VAT and excluding installation) for the Vaillant ecoTEC Pro Combi Boiler.

    Vaillant ecoTEC Pro Combi Boilers

    The ecoTEC Pro Combi is a wall-hung combination boiler that will look neat and tidy on your kitchen wall or in your pantry or storage cupboard.

    Its measurements are 720mm (H) x 440mm (W) x 338mm (D) and this model also happens to be one of the quietest boilers out there today. There are three different sizes available including the 24kW with 9.6 flow rate, the 28kW with 11.1 flow rate and the slightly more powerful 30kW with a maximum flow rate of 12.3 litres per minute.

    Ideal for properties with a lower heating and hot water demand, this model includes a standard 2-year warranty and typically costs between £925 and £1,806. A free 5-year warranty is also available provided you get a Vaillant Advance installer to fit the boiler.

    Boiler Energy Efficiency Credentials

    This combi boiler by Vaillant has not only an 89.3% SEDBUK efficiency rating but also an ErP A rating for heating and hot water efficiency. If you’re unsure what that means, it basically confirms that the boiler is highly efficient and economical to run. And thanks to the wide modulation range of up to 1:4 and the fully modulating low NOx burner and fan, the boiler uses less energy and efficiency is maximised. In addition to all of those features and credentials, the ecoTEC Pro Combi is compatible with intelligent Vaillant controls and accessories to optimise efficiency, performance and end-user comfort.

    ecoTEC Pro Combi Technology and Main Advantages

    Featuring a sleek, clean-looking case, this boiler comes with removable side panels and push-fit flue system for greater installation flexibility and to allow your engineer to install and maintain the appliance with ease. If you need to install the boiler in an off-gas area, models can be supplied to run off LPG (liquefied petroleum gas) instead of natural gas.

    It has built-in two-stage frost protection to guarantee high performance levels whatever the weather and an aquaCOMFORT warm start feature to give you access to instant hot water throughout the day and night. This boiler can also be used with Vaillant’s aroTHERM air-to-water heat pump hybrid system to maximise performance and savings.

    Other key features include a painted stainless steel main and secondary heat exchanger, as well as a clear backlit display for perfect visibility in poor light conditions.

    Is the Vaillant ecoTEC Pro Combi the Right Boiler Type and Size for Your Home?

    Since the outputs and flow rates on offer aren’t the highest in the world, this combi boiler is suited to small to medium-sized homes that experience low heating and hot water demand periods. The ecoTEC Pro 24kW and 28kW are best for apartments and small houses with 1 bathroom and no more than 2 or 3 bedrooms, and the 30kW model is suitable for a slightly larger property with 1 bathroom, 3 to 4 bedrooms and possibly an ensuite too. However, you need to be aware that combi boilers tend to struggle with 2 showers running at the same time. Before purchasing this appliance, we recommend you always ask a Gas Safe engineer to assess your home, as well as your typical heating and hot water usage habits to help you pick the right boiler size.


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    A-rated combi boiler Save money on your gas bills
    Wide modulation range of up to 1:4Maximises efficiency and lowers energy consumption
    aquaCOMFORT warm start featureInstant hot water is always available
    Clear LED display Delivers clear visibility in poor light conditions
    Quiet Mark approvedUltra-quiet whilst in operation
    Compatible with Vaillant controlsAlternative energy and cost saving options
    Vaillant’s aroTHERM air-to-water heat pump hybrid system Greater performance and energy savings
    2-year parts and labour warrantyConfidence and peace of mind
    Free 5-year warranty upgrade when installed by a Vaillant Advance installer Extra peace of mind at no extra cost

    Our Honest Opinion of the Vaillant ecoTEC Pro Combi

    If you’ve been searching for a high-quality boiler that does not need a cold water tank or hot water cylinder to provide your small or medium-sized property with plenty of heat and hot water, then the ecoTEC Pro Combi should be right up your street.

    By being a Vaillant boiler, this product comes highly recommended by engineers – and better still, has the Which? ‘Best Buy’ accreditation. And quite frankly, if this doesn’t give you confidence about this models efficiency, performance and energy saving potential then nothing will.

    We agree with the majority that the ecoTEC Pro Combi is a fantastic solution for homeowners with smaller heating and hot water requirements and those in need of a replacement combination boiler.  Also, we must not forget to mention that Vaillant is one of the industry’s leading boiler brands with an outstanding customer service rating.

    Advice on Boiler Quotes and Gas Safe Engineers

    When obtaining Vaillant ecoTEC Pro Combi Boiler quotes, always ask for a fixed price on the appliance and installation work to ensure you get a great deal and avoid any hidden charges. The best way to find competitive quotes is to liaise with both local and national boiler installers. You must also make sure that your chosen installer is legally permitted to carry out work on gas appliances, which you can check by running a search at the Gas Safe Register website. Alternatively, you can ask your installer to show you their Gas Safe ID card to confirm their registration status.


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