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Baxi 800 818 boiler

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Plumbproud rating

88.20%

Baxi 800 818 System Gas boiler

According to our PlumbProud boiler quality scoring system, we rate this model 88.20%. We rank boilers using a number of different factors including price installed, manufacturer guarantees, energy efficiency, likely running costs, and more.

This Baxi 800 818 System boiler will cost approximately £1,900 supplied and fully installed through PlumbProud assuming that there are no unexpected complications during the fitting.

For a free quote on the Baxi 800 818 boiler and to get professional advice and guidance on whether it is the right choice for your home, please enter your postcode in the quote boxes on this page, click here to email us, or call us on 01604 343053.


Installed price around

£1,900

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Baxi 800 818 System Gas boiler frequently asked questions

Baxi 800 818 - a system boiler, regular boiler or combi boiler?

The Baxi 800 818 boiler could be suitable for your house or flat if you are looking for a new system boiler.

System boilers need a hot water cylinder to work - normally fitted inside an airing or landing cupboard or similar spot. Unlike heat only boilers, they do not require a separate cold water tank, making them a more suitable choice if you have no loft, lack space in the attic, or are planning to do a loft conversion.

These boilers distribute hot water around your home to your taps and radiators using (often built-in) circulating pumps and they're easier to install as there is one less component (the water tank) to find room for. A system boiler needs to be programmed to tell it what times you want heat and hot water - unlike combi boilers, they don't provide hot water on demand.

Is the Baxi 800 818 system boiler suitable for my house or apartment?

To determine that, we need to consider the size of the boiler. Size doesn't mean how big it is - it means how big its "output" is.

Boiler output is measured in kilowatts and tells you how much power a boiler can use to heat the water your taps, showers and radiators need. The higher the output, the more power it has.

When choosing a boiler, you should choose one that can cope with the peak demand for hot water in your home and not just your typical usage.

If its output is too low, sometimes your hot water will not be hot enough, but if your boiler's output is too high for your needs, your gas bills will go up and not down.

The output of the Baxi 800 818 system is 18 kW, so which types of property would this Baxi 800 818 System boiler be an appropriate choice for?

Most experienced boiler engineers would recommend this Baxi 800 818 System boiler as a suitable option for smaller homes and apartments with no more than up to 10 radiators and one bathroom.


What size is a Baxi 800 818 boiler?

The Baxi 800 818 measures 700 mm in height by 390 mm in width by 285 mm in depth.

Is the Baxi 800 818 non-condensing or condensing?

The Baxi 800 818 is a condensing gas boiler - we strongly recommend that you choose one of the latest condensing models if possible.

With a condensing boiler, you save money on your gas bills because your boiler captures and recycles the heat present in the flue exhaust gases and water vapour condensation for re-use, meaning they operate far more economically and efficiently.

Is the Baxi 800 818 system environmentally friendly?

More and more homeowners are aware of the importance of how we heat our homes and its impact on climate change and other environmental issues.

Central heating accounts for 14% of greenhouse gas emissions in the UK. In larger British cities, gas boilers emit dangerous levels of nitrogen dioxide into the atmosphere.

Would choosing the Baxi 800 818 system help the environment? Let's see what the statistics suggest.

In the UK, by law, all boilers manufactured since April 2018 must have a SEDBUK “A” rating and operate to a minimum level of 92% energy efficiency. Prior to this, the minimum was 88% – 88/89% would score a "B" and 90% or more an "A" on the SEDBUK scale.

The energy efficiency rating measures the amount of energy a boiler consumes when it's in use and how much it loses on non-core operations.

Following testing, the Baxi 800 818 was given an efficiency rating of 93% and a SEDBUK grading of "A".

The Energy Related Products Directive, also known as ERP, is European legislation that intends to reduce energy consumption related to products right from their initial manufacturing process through to eventual final disposal.

The purpose of the directive is to encourage manufacturers to create new products that are kinder to the environment and which result in lower overall harmful gas emissions through a product's entire life cycle.

The Baxi 800 818 has a rating of "A".

What is the warranty period for the Baxi 800 818?

The Baxi 800 818 is supplied with a parts and labour warranty of 10 years.


Baxi 800 818 Gas System boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating93%
Band ratingA
LPG Compatible?No
P/L Warranty10 Years
Output in kW18 kW
Height700 mm
Width390 mm
Depth285 mm
MountingWall
ERP HeatA

The top 10 rated Gas System boilers

Using the Plumbproud scoring system, the current 10 ten Gas System boilers assessed using a number of important variables are as follows:

1Vaillant ecoTEC Plus 61295.72%
2Vaillant ecoTEC Plus 61595.20%
3Vaillant ecoTEC Plus 61894.37%
4Vaillant ecoTEC Plus 62493.33%
5Worcester Bosch Greenstar i System 9i92.89%
6Vaillant ecoTEC Plus 63092.75%
7Worcester Bosch Greenstar 4000 12kW92.50%
8Vaillant ecoTEC Exclusive IQ 62792.42%
9Vaillant ecoFIT Pure 61292.38%
10Vaillant ecoFIT Pure 61592.36%

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The ideal boiler perfect for the largest homes

System boilers

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Baxi 800 818 boiler

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Baxi 800 818 System Gas boiler

  1. Home
  2. Baxi 800 818
Plumbproud rating for this boiler
88.20%

This Baxi 800 818 System boiler has been rated at 88.20%. Our PlumbProud boiler quality rating system uses price installed, energy efficiency, likely running costs, the manufacturer's warranty and other factors to determine the rating we give.

On a straightforward installation of this make of boiler using PlumbProud, you should expect to budget around £1,900.

If you would like a free quote and professional advice and guidance to help you decide if the Baxi 800 818 is the right choice for your home, please get in touch. You can do this by entering your postcode in the quote boxes on this page, click here to email us or give us a call on 01604 343053.


Installed price guideline
£1,900

Get your free quote

Baxi 800 818 Gas System boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating93%
Band ratingA
LPG Compatible?No
P/L Warranty10 Years
Output in kW18 kW
Height700 mm
Width390 mm
Depth285 mm
MountingWall
ERP HeatA

Baxi 800 818 System Gas boiler frequently asked questions

Is the Baxi 800 818 a combi boiler, system boiler or regular boiler?

The Baxi 800 818 is worthy of consideration if you're looking for a system boiler for your flat or house.

Like heat only boilers, system boilers require a hot water cylinder to work - the cylinder stores and keeps water warm for use throughout the day. Hot water can be distributed to multiple showers and taps simultaneously, making system boilers suitable for larger families and properties with more than one bathroom.

System boilers differ from standard boilers in that they do not require a cold water tank, making them suitable for properties with no loft space or if you are planning a loft conversion. As the boiler's major components, including the circulation pump, are built-in and no water tank is required, system boilers are easier to install than regular boilers.

This type of boiler does not heat water instantly like a combi boiler - instead, you need to use the control panel to set the times when you want heating and hot water to be available for your home.

Is the Baxi 800 818 system suitable for my house or flat?

To determine that, we need to consider the size of the boiler. Size doesn't mean how big it is - it means how big its "output" is.

Your boiler's output indicates the maximum amount of power available to it to heat the water you need to warm your radiators or when you want hot water from your taps. A higher output rate means that your boiler is capable of heating greater volumes of water.

If a boiler's output rate is too low, you'll often find that the water is not as hot as you want it to be. Too high, however, and you'll end up paying more for your gas than you should be.

The Baxi 800 818 system boiler has an output rate of 18 kW, so which types of property would this be suitable for?

A PlumbProud Gas Safe engineer would recommend that the most suitable type of property for a Baxi 800 818 system would be smaller homes and apartments containing up to 10 radiators and providing hot water for one bathroom.


The dimensions of the Baxi 800 818 are

The Baxi 800 818 has the following dimensions - 700 mm high, 390 mm wide, and 285 mm deep.

Is the Baxi 800 818 non-condensing or condensing?

We strongly recommend that you choose a condensing boiler like the Baxi 800 818 - the technology is improving every year so the newer the boiler, the better.

A condensing boiler captures and recycles the warmth still present in flue exhaust gases and water vapour condensation into heat, allowing it to perform more efficiently on tasks like heating the colder water returning from your radiators.

They also offer significant annual savings on household gas bills as well as being more environmentally friendly.

Is the Baxi 800 818 system boiler an environmentally friendly choice?

How we heat our homes has become a pressing issue of concern for many homeowners worried about climate change and the environmental impact of their personal choices.

We generate 14% of UK greenhouse gas emissions through centrally heating our domestic properties. Gas boilers are mainly responsible for harmful nitrogen dioxide emissions in larger British cities.

Would installing a Baxi 800 818 system boiler in your home help combat climate change? What do the figures suggest?

Boilers manufactured and installed in the UK are assigned energy efficiency ratings following testing to an agreed set of standards. These scores indicate how much energy the boiler uses and how much goes to waste when it's in operation.

By law, boilers must achieve a SEDBUK rating of "A" subject to achieving a minimum of 92% energy efficiency. Prior to April 2018, the minimum was 88% (88% and 89% on the SEDBUK are graded "B" and 90% and above is graded "A").

The Baxi 800 818 was awarded an efficiency rating of 93% with a SEDBUK band rating of "A".

The ERP (or Energy Related Products Directive) is European legislation affecting products that consume energy throughout their lifetime.

The aim is to encourage companies to create environmentally friendlier products that reduce harmful gas emissions during manufacturing and when in use by the end client, right through to their eventual disposal.

In the case of the Baxi 800 818, the ERP rating is "A".

How long is the warranty period on a Baxi 800 818 system boiler?

The Baxi 800 818 boiler comes with a parts and labour warranty of 10 years.


The top 10 rated Gas System boilers

Using the Plumbproud scoring system, the current 10 ten Gas System boilers assessed using a number of important variables are as follows:

1Vaillant ecoTEC Plus 61295.72%
2Vaillant ecoTEC Plus 61595.20%
3Vaillant ecoTEC Plus 61894.37%
4Vaillant ecoTEC Plus 62493.33%
5Worcester Bosch Greenstar i System 9i92.89%
6Vaillant ecoTEC Plus 63092.75%
7Worcester Bosch Greenstar 4000 12kW92.50%
8Vaillant ecoTEC Exclusive IQ 62792.42%
9Vaillant ecoFIT Pure 61292.38%
10Vaillant ecoFIT Pure 61592.36%
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