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    Worcester Bosch Greenstar Highflow CDi Combi Boilers

    The Worcester Bosch Greenstar Highflow CDi Combi Boiler typically costs between £2,053.68 and £2,447.70 including VAT and excluding installation.

    Worcester Bosch Greenstar Highflow CDi Combi Boilers

    Renowned for its industry-leading hot water flow rates, the Worcester Bosch Greenstar Highflow CDi Combi is a decent, highly efficient floor standing combination boiler.

    Available in a heating output of 29kW and 30kW and with flow rates of 20 and 25 litres per minute respectively, this appliance is perfect if you have a high demand for hot water. Even though it’s a little large at 850mm (H) x 600mm (W) x 600 (D), it will fit under a kitchen worktop and won’t look out of place next to your other white goods.   

    This beast of a boiler is suitable for large properties with multiple bathrooms, is priced between £2,053.68 and £2,447.70, and is backed by a lengthy 5-year warranty.

    Boiler Energy Efficiency Credentials

    With an overall efficiency rating of 93%, this floor standing combi boiler is a SEDBUK A-rated appliance that also happens to be recommended by the Energy Saving Trust. It can actually turn up to 90% of the fuel to heat and provide a high level of comfort whilst keeping gas consumption to a minimum. So, the Greenstar Highflow CDi Combi is an extremely energy efficient boiler that can not only help to save energy but also cut your bills. It‘s also compatible with a fantastic selection of Worcester Bosch wireless, digital and mechanical controls for greater efficiency and user comfort.

    Greenstar Highflow CDi Combi Technology and Main Advantages

    The Greenstar Highflow CDi Combi by Worcester Bosch includes built-in frost protection, which is good news if you plan to keep this boiler in your loft, garage or basement. It features an anti-cycle device to maintain your chosen heating and hot water temperatures, as well as simple to use controls and a clear temperature display.

    Although it can’t be hung on a wall, it comes with many of the features that a wall-mounted boiler is usually supplied with, such as multi-directional flue options and built-in filling link. This means that this floor standing boiler can be sited virtually anywhere and will save time and money when it comes to maintenance and servicing. A floor mounting pre-plumbing jig is also included to keep installation tidy and quick.

    This combi boiler has an electronic ignition to make life easy for the end-user, along with fault finding diagnostics to keep things simple for the engineer. If you wish, you can even attach a 24-hour or 7-day programmable room thermostat to allow you to set your heating to switch on and off at your chosen times of the day.

    Is the Greenstar Highflow CDi Combi the Right Boiler Type and Size for Your Home?

    Worcester Bosch’s Greenstar Highflow CDi Combi is ideal for homes where a floor standing boiler is already installed or a wall-mounted boiler isn’t an option. It’s also a great solution if your home doesn’t have enough space to store a hot water tank and cold water cylinder. Thanks to its amazing flow rates, its best suited to a large property with multiple bathrooms. In order to work out whether you need the 440CDi or 550CDi, we recommend you get in touch with a Gas Safe engineer and ask them to assess your typical heating and hot water usage habits.


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    A-rated conventional boilerSave money on your gas bill
    Industry-leading hot water flow rates Instantaneous hot water always available
    Frost protectionNo risk of frost damage
    Built-in heating temperature controls Convenience and reliability
    Fault finding diagnostics Easy to fix and repair
    24-hour programmable room thermostat availableUser-friendly and end-user comfort
    7-day programmable room thermostat availableUser-friendly and end-user comfort
    5-year warranty Confidence and peace of mind

    Our Honest Opinion of the Worcester Bosch Greenstar Highflow CDi Combi

    When you take into account all of the wonderful technology and features that this boiler has to offer, it should come as no surprise that the Greenstar Highflow CDi Combi is one of the most popular floor standing boilers available today. And let’s not forget the fact that this highly energy efficient appliance can supply you with instantaneous hot water any time of the day or night.

    By being an A rated combi, the Highflow boiler is capable of providing efficient heating and, in turn, reduce carbon dioxide emissions and your fuel bills. Okay, so it’s a little on the large side but it can fit underneath a kitchen worktop or be sited anywhere else with ease thanks to the rollers that are positioned at the base of the unit.

    And remember the exceptional flow rates which allow you to run two showers simultaneously – something unheard of with most combis. We are so impressed with this one and believe that the Greenstar Highflow CDi Combi from Worcester Bosch is a brilliant choice if you want a floor standing combi that can give you lashings of hot water.

    Advice on Boiler Quotes and Gas Safe Engineers

    Feel free to get competitive quotes on the Worcester Bosch Highflow CDi Combi from local and national installers by using our free quote engine. Just be sure to ask for a fixed price when obtaining quotes so that you always get the best deal and aren’t charged hidden charges. You also need to research whether your chosen engineer is legally allowed to work on gas appliances, which you can do by checking the register at the Gas Safe Register website.


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