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Baxi 600 624 boiler

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Plumbproud rating

86.25%

Baxi 600 624 Combi Gas boiler

In our PlumbProud quality testing, this Baxi 600 624 Combi boiler scores 86.25%. We determine our rating based on a number of different factors including installation costs, manufacturer guarantees, energy efficiency, and operating costs.

We would expect this Baxi 600 624 Combi boiler to cost £1,900 fully installed through PlumbProud, although it will cost more if the fit is complicated. We will provide you with a full quote before starting work, however.

Enter your postcode in the box provided and receive a free quote for the Baxi 600 624 boiler for your home. We are also happy to answer any questions you might have about any of our boilers. You can do this by emailing the team or calling us today on 01604 343053.


Installed price around

£1,900

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Baxi 600 624 Combi Gas boiler frequently asked questions

What type of boiler is Baxi’s 600 624 - system, regular or combi?

If you want a combi boiler for your flat or house, the Baxi 600 624 might be an option for you to consider.

Traditionally, boilers needed one or more large tanks installed in your property to store their heated water or water that was to be heated later. These tanks were often too large to be practical for most homes so the combi boiler was introduced to Britain in the 1970s by manufacturers to help homeowners overcome this issue.

Instead of using tanks as storage, a combi boiler heats water on demand. It draws water from the mains and heats it instantly on demand before distributing it to wherever it is needed in a property, be it your taps or radiators.

Unfortunately, combi boilers have one main disadvantage for larger properties or larger households. Because they have a maximum volume of water that can be heated on demand at any given time, water pressure, volume and temperature will drop if, for example, someone is taking a shower and another person in your home wants to use a hot water tap at the same time.

Would the Baxi 600 624 combi be a suitable boiler for my house or flat?

Selecting the right boiler for your property means selecting a boiler that is the right size. And, by size, we don't mean how big it is, we mean how powerful it is - the "output".

The output of a boiler is measured in kilowatts. The output level determines the maximum power a boiler can use in heating the water needed for the baths, showers, taps and radiators in your home.

It's important to choose a boiler with an appropriate level of output for your property. Your boiler should be able to cope with periods of peak demand in your property and not just your average usage.

An output rate that is too low will result in an inadequate supply of hot water, while an output that is too high will mean the boiler will cost more to run than is necessary.

The output of the Baxi 600 624 combi is 24 kW kilowatts, so which types of property would this be appropriate for?

An experienced Gas Safe engineer would be likely to recommend that this Baxi 600 624 Combi boiler is capable of providing heating and hot water to up to 10 radiators and one bathroom and would therefore be most suitable for smaller homes and apartments.

In addition to output rates, you need to consider a combi boiler's flow rate when making your choice.

The flow rate of your boiler dictates the maximum volume of water (measured in litres per minute) that it can heat and distribute to your taps, showers and radiators at any one time.

However, a combi boiler like the Baxi 600 624 can only heat and deliver water at the rate at which it actually enters your property. For this reason, you should also find out what the mains pressure to your house is before purchasing a boiler.

It's pointless spending more money on a boiler with a 17l/m flow rate if the local water pressure is 11l/m. To give you an indication of average water demand, a power shower typically requires 12 litres of water per minute and a basin tap 4-8 litres. This Baxi 600 624 Combi boiler's flow rate is 10 L/m.

When our engineer comes out to quote you, they may recommend that you choose a heat only boiler or system boiler instead if your family's demand for hot water is higher than normal.


The size of the Baxi 600 624

The measurements of the Baxi 600 624 are 700 mm by 390 mm by 285 mm.

Baxi 600 624 – condensing or non-condensing?

The Baxi 600 624 is a condensing boiler – we recommend to all clients that they choose the very latest condensing boilers because their efficiency continues to improve year after year.

Condensing boilers recycle heat from both water vapour condensation and flue exhaust gases via a secondary heat exchanger. With this heat, it performs other tasks like warming up colder water returning from your radiator without having to use more gas.

You will save money on your gas bills every year by choosing a condensing boiler as well as benefitting the environment.

How environmentally friendly is the Baxi 600 624 combi?

The effects of climate change on the environment are leading many homeowners to question the damage they might be doing by the way they heat their homes.

The heating of our homes accounts for 14% of the UK's greenhouse gas emissions. Especially in the big cities, gas boilers are responsible for dangerous levels of nitrogen dioxide emissions.

Would choosing a Baxi 600 624 combi help in the fight against climate change? What do the performance statistics suggest?

All boilers manufactured and supplied in the UK must achieve an energy efficiency rating of at least 92% (an "A" SEDBUK grade). This is higher than the previous 88%, which was a legal requirement prior to April 2018.

The energy efficiency rating is used to work out how much energy a boiler both uses and wastes when it's switched on and working correctly - its standard functioning and operation.

The Baxi 600 624 is rated as 93% energy efficient, equivalent to a "A" SEDBUK rating.

In 2015, new legislation was introduced by the EU to encourage manufacturers to develop more energy-efficient products that emit fewer harmful gases throughout their lifetime.

The Energy Related Products Directive (ERP) applies to all products that consume energy, including during the manufacturing process, at the point of final disposal, and all points in between.

The ERP rating of the Baxi 600 624 is "A" for heat and "A" for hot water.

How many years does the warranty period cover on a Baxi 600 624 boiler?

The Baxi 600 624 is covered by a parts and labour warranty of 7 years following installation.


Baxi 600 624 Gas Combi boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating93%
Band ratingA
LPG Compatible?Yes
P/L Warranty7 Years
Output in kW24 kW
Height700 mm
Width390 mm
Depth285 mm
MountingWall
Flow rate10 L/m
ERP HeatA
ERP WaterA

The top 10 rated Gas Combi boilers

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

1Vaillant ecoTEC Plus 82593.35%
2Vaillant ecoTEC Plus 83292.98%
3Worcester Bosch Greenstar 2000 25kW92.89%
4Viessmann Vitodens 050-W 29kW92.66%
5Vaillant ecoTEC Plus 83592.60%
6Worcester Bosch Greenstar CDi Compact 2892.57%
7Vaillant ecoFIT Pure 82592.39%
8Vaillant ecoTEC Plus 83892.16%
9Vaillant ecoTEC Exclusive IQ 83591.90%
10Vaillant ecoTEC Pro 2491.77%

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Baxi 600 624 boiler

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Baxi 600 624 Combi Gas boiler

  1. Home
  2. Baxi 600 624
Plumbproud rating for this boiler
86.25%

This Baxi 600 624 Combi boiler has been rated at 86.25%. 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.

£1,900 is the amount you should budget to have this particular boiler installed on a straightforward installation.

We offer free quotes and professional advice and guidance on whether the Baxi 600 624 is a suitable choice for your home via a phone call on 01604 343053. Alternatively, please click here to email us or enter your postcode in the quote boxes on this page.


Installed price guideline
£1,900

Get your free quote

Baxi 600 624 Gas Combi boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating93%
Band ratingA
LPG Compatible?Yes
P/L Warranty7 Years
Output in kW24 kW
Height700 mm
Width390 mm
Depth285 mm
MountingWall
Flow rate10 L/m
ERP HeatA
ERP WaterA

Baxi 600 624 Combi Gas boiler frequently asked questions

What kind of boiler is the Baxi 600 624 - standard, combi or system?

The Baxi 600 624 is an option you may wish to consider if you’re looking for a combi boiler for your house or flat.

Combi boilers have much to recommend them - not least the fact that they save a lot of space. Combination (or combi) boilers were introduced by manufacturers in the 1970s to provide practical central heating and hot water distribution to smaller properties - remember that UK houses and flats tend to be among the smallest in the developed world.

Traditional boilers require one or more storage tanks to keep hot water warm and to store water for heating later. In contrast, combi boilers draw water directly from the mains supply and heat it instantly, removing the need for a storage tank. The heated water is then distributed to your taps and radiators on demand.

While combi boilers are suitable choices for many properties, especially those without a loft, there is also a disadvantage in using them. Water is heated instantly and the volume of water that can be heated at any one time is limited. This can result in less water being sent to taps and showers if more than one is being used simultaneously. In these instances, the water pressure to both points will drop.

Should I install a Baxi 600 624 combi boiler in my home?

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

This Baxi 600 624 Combi boiler gets its power from gas and the power it's capable of producing is measured in kilowatts - the output rate is actually a kilowatt rate. The higher the output rate, the more kilowatts a boiler can use when heating water.

If you choose a boiler whose output rate is too low, it may not have enough power to make your water as hot as you would like. If you choose a boiler whose output rate is too high, you won't have to put up with lukewarm water but you will face higher gas bills.

The Baxi 600 624 combi boiler has an output level of 24 kW, so which types of property would it be appropriate for?

An experienced Gas Safe engineer would be likely to recommend that this Baxi 600 624 Combi boiler is capable of providing heating and hot water to up to 10 radiators and one bathroom and would therefore be most suitable for smaller homes and apartments.

With combi boilers, you need to consider the flow rate as well as the output rate. The flow rate (shown in litres per minute) measures how much water your boiler can draw from the mains which it then instantly heats and distributes to your taps and radiators.

However, a high flow rate is of little to no value if your local water pressure is low. If your local mains water pressure is 10l/m and your flow rate is 12l/m, your boiler will only be able to process 10l/m.

If you live in an area with high water pressure but your household has multiple bathrooms and/or radiators and many members of your household want to use hot water at the same time (like morning or evening baths or showers), it's unlikely that you'll be able to find a combi with a high enough flow rate.

As an indication, a power shower needs about 10 litres of water per minute, whereas the flow rate of this Baxi 600 624 Combi boiler is 10 L/ml/m.

When our engineer comes out to quote you, they may recommend that you choose a heat only boiler or system boiler instead if your family's demand for hot water is higher than normal.


What are the dimensions of the Baxi 600 624 boiler?

The Baxi 600 624 measures 700 mm in height and has a width of 390 mm and a depth of 285 mm.

Baxi 600 624 – condensing or non-condensing?

We recommend that, if possible, you select one of the very latest condensing gas boilers on the market like the Baxi 600 624.

Condensing boilers are better for the environment because they capture and recycle the heat still present in flue exhaust gases and water vapour condensation for re-use, meaning lower greenhouse gas emissions.

They're also a lot cheaper to run meaning that, if you're replacing a very old and inefficient boiler, the savings on your gas bill over 5-10 years add up to more than you pay for the boiler itself.

How environmentally friendly is the Baxi 600 624 combi?

How we heat our homes is an issue which many homeowners worry about as the world combats climate change and environmental damage.

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.

Do the figures suggest that installing the Baxi 600 624 combi at your property would help in the fight against climate change?

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 600 624 was awarded an efficiency rating of 93% with a SEDBUK band rating of "A".

In 2015, new legislation was introduced by the EU to encourage manufacturers to develop more energy-efficient products that emit fewer harmful gases throughout their lifetime.

The Energy Related Products Directive (ERP) applies to all products that consume energy, including during the manufacturing process, at the point of final disposal, and all points in between.

The ERP rating of the Baxi 600 624 is "A" for heat and "A" for hot water.

Does the Baxi 600 624 combi boiler come with a warranty?

Baxi offers a parts and labour warranty of 7 years on the Baxi 600 624.


The top 10 rated Gas Combi boilers

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

1Vaillant ecoTEC Plus 82593.35%
2Vaillant ecoTEC Plus 83292.98%
3Worcester Bosch Greenstar 2000 25kW92.89%
4Viessmann Vitodens 050-W 29kW92.66%
5Vaillant ecoTEC Plus 83592.60%
6Worcester Bosch Greenstar CDi Compact 2892.57%
7Vaillant ecoFIT Pure 82592.39%
8Vaillant ecoTEC Plus 83892.16%
9Vaillant ecoTEC Exclusive IQ 83591.90%
10Vaillant ecoTEC Pro 2491.77%
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