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    Worcester Bosch Greenstar CDi Classic Regular Boilers

    A Worcester Bosch Greenstar CDi Classic Regular Boiler will set you back anything between £1,155.80 and £1,621.88, including VAT and excluding installation.

    Worcester Bosch Greenstar CDi Classic Regular Boilers

    This top performing wall-hung boiler by Worcester Bosch measures 760mm (H) x 440mm (W) x 360mm (D) and is available in two impressive outputs including 30kW and 40kW.

    By being a heat only regular (conventional) boiler, feed and expansion cisterns are required, as well as an existing or new hot water cylinder. The boiler can also be used with the brand’s Greenstore cylinders to allow stored hot water to be rapidly replenished.

    Designed for large properties with a high demand for hot water, the Greenstar CDi Classic Regular is available with a 2 or 5-year warranty, along with a 10-year guarantee on the primary heat exchanger. Prices start at £1,155.80 and go up to £1,621.88, and the amount you will need to spend will depend on the chosen output.

    Boiler Energy Efficiency Credentials

    The Greenstar CDi Classic Regular is a SEDBUK A-rated boiler with a 92.3% fuel efficiency rating. In addition to being Energy Saving Trust endorsed, the boiler is fully compliant with the latest ErP (Energy-related Products) Directive. It has a high-efficiency pump and includes innovative condensing technology to boost performance, user comfort and energy savings. In fact, this appliance is around 30% cheaper to run than older models and can save you between 15% and 20% on your energy bills. If you want to maximise efficiency, you can use this boiler with a wide range of optional intelligent controls, such as digital programmers, thermostatic radiator valves and room thermostats.

    Greenstar CDi Classic Regular Technology and Main Advantages

    Worcester’s Greenstar CDi Classic Regular has a built-in fascia-mounted heating temperature control knob and a neon operational status indicator for ease of use and to highlight the operating status at any given moment. By having a large condensate siphon built into the boiler, you can store this unit in your loft or garage without worrying about the risk of frost damage.

    Pre-plumbing and installation are made straightforward thanks to the rear piping and wall-mounting jig, and the reversible upwards and downwards pipe connections and multi-directional flue options increase siting possibilities. The wall-mounting frame is also useful for ensuring the pipes stay tidy and hidden behind the boiler.

    Furthermore, the Greenstar CDi Classic Regular is compatible with not only Greenstore cylinders but also highly efficient Greenskies solar panels to give you an alternative energy option.

    Is the Greenstar CDi Classic Regular the Right Boiler Type and Size for Your Home?

    With two rather high outputs on offer, the Greenstar CDi Classic Regular is ideal for large homes with multiple bathrooms and properties in area where mains water pressure is low. The 30kW model is best suited to houses with up to 14 radiators, whereas the 40kW version will comfortably heat up to 18 radiators. Remember, this is a conventional boiler so you will need a hot water cylinder and cold water storage tank with this appliance. You must also use this information as a rough guide, and always ask a Gas Safe engineer to look at your heating and hot water usage habits before purchasing a new boiler.


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    A-rated combi boiler Save money on your gas bill
    Wall mounting jig and frameNo exposed pipework and easy installation
    Multi-directional flue optionsSiting flexibility
    Built-in fascia-mounted heating temperature controlEnd-user comfort and convenience
    Low NOx and CO2 emissionsEnvironmentally friendly
    Compatible with intelligent controlsSaves time and costs
    2 or 5-year parts and labour warrantyConfidence and peace of mind
    10-year guarantee on heat exchangerExtra peace of mind

    Our Honest Opinion of the Worcester Bosch Greenstar CDi Classic Regular

    If you have a large demand for instant hot water and want to significantly reduce your fuel bills, the Greenstar CDi Classic Regular could be the boiler for you. The range includes two green and powerful units that are well suited to large homes with a traditional heating and hot water system that is linked to a separate hot water cylinder and cold water storage tank.

    Since this model is compatible with solar water heating systems, you can not only lower your energy costs but also reduce your carbon footprint. And even though the boiler runs on natural gas, it can be adapted to run on LPG (liquefied petroleum gas) if required.

    We should also mention that Worcester Bosch boilers have won Which? ‘Best Buy’ year after year, so you can rest assured that this appliance is a good performer and as reliable as they come.

    Advice on Boiler Quotes and Gas Safe Engineers

    Want a competitive quote on the Greenstar CDi Classic Regular by Worcester Bosch? Feel free to use our smart quote engine. Don’t forget to ask for a fixed price when liaising with installers so that you avoid any extra charges and get the very best deal on both the price of the boiler and installation. You also need to make sure your chosen engineer is legally allowed to work on gas appliances, which can be done by checking their Gas Safe ID card or looking them up at the Gas Safe Register website.


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