04th December, 2023
Last updated: 26th October, 2022Reviews
The Worcester Bosch 8000 boiler comes straight from one of the UK's best-selling boiler brands, offering many of the same features in a range of different sizes that can easily fit into your existing heating system.
As one of the new premium boiler options offered by Worcester Bosch, you can expect the new boiler to serve you well around the home, but what kind of system are you actually purchasing?
Here are all the technical details you will need to know, as well as other info about how your new boiler will work.
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If you are reading this review, Worcester Bosch are relevant to you: not only is this article an effort to review Worcester Bosch boilers, but the company themselves play a big part in how the heating and hot water system boiler will work.
As a company, Worcester Bosch aim to create a variety of Smart boilers with plenty of advanced features, meaning that each boiler can use Smart technology and specific systems to improve the performance you are getting.
The 8000 is their latest attempt to cement their position in an extremely competitive industry, with best combi boiler brand, with a variety of extra features, on offer.
The Worcester Bosch 8000 range covers various specific boiler designs, including the Worcester Bosch Greenstar 8000 Life range of boilers.
Most varieties are available as either combi boilers, system boilers, or regular boilers, with each model offering specific things that set it apart from the others.
For example, the Worcester Bosch Greenstar 8000 Life combi-boiler and Worcester Greenstar 8000 Style boilers are similar in most ways, but the Style pushes for slightly different improvements.
Rather than dedicating this boiler review to a specific model, like the Worcester Bosch Greenstar 8000 Life combi-boiler option, it will cover the basics of the entire range and what kind of results you can expect.
Like any heating system boiler or gas boiler, there are a few key features at the core of the Worcester Bosch 8000 that make it unique. In this case, each one is different enough to be covered separately, and they make a surprisingly versatile and powerful boiler when used together. For example, the boiler offers:
A powerful wall-hung combi boiler design that can be used in a variety of different ways, letting you get the best performance possible without taking up extra floor space.
Removable top and side panels that allow for easier access when you need to repair the boilers, making it much easier to fix small problems such as flow rate issues or blockages.
A 10-year guarantee on parts and labour, making it a safe installation that you will have proper coverage for.
A 93% ErP (efficiency) rating, higher than many gas boiler options and other combi-boilers.
The boiler itself is only 780 x 440 x 365 mm in size, making it a fairly small choice that can suit most houses well, at iHeat we also offer the opportunity for you to move your new boiler to a new location so if you do want a new boiler that can be 'hidden away' this may be the choice for you! It is wall-mounted to help you save space, and the simple design of the boiler itself means that it isn't too bulky to use in a smaller room.
It also offers technical and functional improvements, such as an increased modulation ratio of 1:10 and the removal of on/off cycling to increase the lifespan of the boiler itself. Of course, it can also connect to many pieces of Smart technology too, such as thermostats, without needing the touch of an experienced engineer.
Useful features like this are always helpful, but the A-rating efficiency of the boiler is the part that will get you the best results.
The key feature with this boiler is the intelligent filling system: this allows the boiler to get to an optimum pressure without altering or operating the filling link, which can also indirectly adjust things like flow rate and efficiency rating.
This may not mean much to the average home-owner, but it can make a big difference when you are trying to compare boiler models.
If you want to get the best combi-boiler, get something that uses great internal components. The 8000 is a high-quality product that can handle heat and pressure without major flaws or malfunctions, making it one of the few boilers that you can get installed and start using almost straight away.
When you get and fit a new combi-boiler, it can sometimes take a lot of effort to rework existing pipes to make it fit, so the slimmer design can help you avoid that problem.
A full-colour display means that you can get performance details off the boiler itslef quickly and clearly, rather than having to get external tools to check the pressure.
Unlike a lot of gas boilers, you can also get these heating system boilers installed in a variety of power outputs: 30kW, 40kW, 45kW or 50kW, depending on your needs. If you're not entirely sure which sized boiler you need, take a look at our boiler size guide here. Water flow rates can range from between 10.7 to 17.9 litres per minute (if you compare boiler designs and installation options).
The clean, neat, black-or-white high-gloss aesthetic hides a number of user-friendly controls, as well as the previously-mentioned display. While you only have black or white colour options, either one can get integrated into your home well, and the simple design makes it much easier to get panels off for maintenance or installation.
This is exactly the kind of thing you would want in a premium model, especially one from a company like Worcester Bosch.
Smart compatible? Yes! You can connect this Worcester Bosch boiler to a range of different Smart features, including their own Worcester Bosch EasyControl system. Worcester Bosch EasyControl is quite an effective option, considering that it is designed for their boiler models specifically.
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The Greenstar 8000 Life Combi-Boiler is a variant of the 8000, but they aren't the same thing. If you are looking for the Worcester Bosch Greenstar 8000 Life combi-boiler, there is nothing wrong with using it, but the Worcester Bosch Greenstar 8000 Life is also a specific type of Worcester Bosch Boiler.
Keep this in mind when you are looking for a boiler: Worcester Bosch Greenstar intelligent filling system features might be a big draw to you, but we aren't here to review Worcester Bosch Greenstar 8000 Life models.
Remember that the Worcester Bosch Greenstar 8000 Life is also a more niche choice of boiler: the Greenstar is a variation on their normal condensing combi-boiler, so choosing the Worcester Bosch Greenstar 8000 Life gives you a more specific product that might be less versatile overall.
The Worcester Bosch Greenstar 8000 Life can also be more expensive, and in many cases, you might prefer a different design compared to the Worcester Bosch Greenstar 8000 Life line.
You can get either, or both, depending on your needs since they are part of the same brand but aren't exactly the same product. It is possible that Worcester Bosch could release even more over the years, so it might help to get a handle on what lines they are still producing at the moment.
Another major feature that Worcester Bosch have promoted is the guarantee on their boiler options. Most variants of the Worcester Bosch combi-boiler, including the Worcester Bosch Greenstar 8000, have some form of this warranty in one way or another, although it might depend on exactly which boiler you are getting.
You might be able to get a 10-year warranty with this particular boiler model, almost two or three times the amount of years that many other companies offer.
By default, the warranty lasts 5 years. This is the same warranty of 5 years that applies to most of their heating boiler models, although some will have their own warranties.
The warranty can be doubled from 5 years to 10 years if you get it installed by an approved engineer, meaning that the simple act of using a licensed engineer adds 5 years onto the warranty.
10 years is a huge amount of protection to get on a single product like this compared to what you get from normal boiler purchases, meaning that you can easily get your money's worth if you are able to double it from 5 years to 10 years.
Remember that the warranties you get still have terms behind them, so you can end up voiding them if you aren't careful.
Considering that 5 years is still a great minimum amount of time to get warranty protection, you don't want to void it within those 5 years, especially early on when there is a lot that could go wrong.
5 years is also plenty of time to make sure that the hot water new system boiler works properly, so you can tweak it over those 5 years to prevent further issues after the 5-year warranty expires.
The controls can often make or break how a hot water system boiler works and functions. This central heating pipe system boiler is designed with easy-to-use controls that don't feel over-complicated, making it ideal for almost any home.
Unlike many simpler combi-boiler options, the 8000 is focused on using an improved push-button LCD display system that eliminates most of the clunkiness you would expect from central heating, allowing you to use the system boiler for years without issue.
In fact, this means that it won't degrade as easily over the years, since there are fewer mechanical parts being moved: a normal boiler might start to have parts fall off after five years, but a mostly-digital boiler can run for years as long as the internal systems aren't damaged by hot water or natural wear.
Text descriptions are also used, meaning that you can easily tell what different options are. Rather than having to spend 6 years trying to adapt to symbols that you don't immediately 'get', you can just follow the descriptions to make the process much easier.
Unlike an older gas boiler, this can also mean that you won't get a situation where the symbol rubs off over the years, something that a lot of classic gas models suffered from.
The 8000 range offers a lot of features in a simple 780 x 440 x 365 mm package, and it is fairly easy to get 10 years on the warranty.
Even if you only end up with 5 years, that is still 5 years of a brand new home system boiler that can handle hot water for years upon years, using a range of different improvements to make your central heating more effective.
The typical price for an 8000-line boiler will vary depending on the boilers, the style you are getting, whether it is new or has been used for a few years, and so on.
However, expect to pay around £2,500: this is a premium boiler at a premium price, but a price that it also deserves. If you are replacing a mid-range boiler, stretching this price out to 10 years of warranty (or at least 6 years) can make it much more reasonable if you think logically about how much you will be using it.
A trusted, accredited seller - such as Worcester Bosch themselves - is the best place to get a boiler like this, especially if you want to make sure that multiple products are compatible.
Yes, you might pay slightly more to get a certain style from the original manufacturer, but it is better than paying less for something that won't work correctly.
If you want a reliable boiler, consider trying to get an 8000. It might not be the cheapest boiler that you can get, but it is definitely among the better options at the moment, and the warranty you get alongside it is worth the price increase for a lot of people.
Once you get a new boiler quote and know where the boiler is going to be installed, it is important to get in touch with whoever was able to get a quote for you and make sure there are no issues.
Ideally, you would want to buy the boiler from a company that is authorised and regulated by the Financial Conduct Authority, properly limited, Registered in England, and generally trustworthy. No-obligation quotes are the best since they don't get you pressured into paying for something you may eventually decide against.
Remember to check online for useful links about issues you might be facing with that style of boiler or the location of certain boilers since you can usually get around them by simply changing where you plan to install it.
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