Related FAQs

Question 1

Should I turn off my boiler in the summer?

Accepted Answer

Generally, it is best to keep your boiler switched on even during the summer months, however this can depend on your home and your circumstances.

Question 2

Is a condensing boiler a combi boiler?

Accepted Answer

Is a condensing boiler the same as a combi boiler? The short answer is yes. However, there are 3 types of condensing boilers.

Question 3

Why should I get the water in my central heating system cleaned?

Accepted Answer

If your boiler breaks down due to sludge in the system, the repair work is not covered under your warranty and can lead to expensive repair bills as a result.

Question 4

Why should I have a filter fitted?

Accepted Answer

Many boiler breakdowns occur due to sludge in the heating system. A magnetic filter is an effective way of preventing this sludge from accumulating, and may prevent costly breakdowns at a later stage.

Question 5

How often should I have my boiler serviced?

Accepted Answer

We advise you have your boiler serviced every year in accordance with the manufacturer’s instructions and to keep your warranty valid.

Question 6

Why is my boiler pressure low?

Accepted Answer

A decrease in boiler pressure can be the result of air getting into the system, a leak, or debris. Adjusting the pressure is usually straightforward, but contact an engineer if you notice the pressure dropping frequently.

Question 7

Why is my boiler pressure low?

Accepted Answer

A decrease in boiler pressure can be the result of air getting into the system, a leak, or debris. Adjusting the pressure is usually straightforward, but contact an engineer if you notice the pressure dropping frequently.

Question 8

How long does a boiler last?

Accepted Answer

Typically, a well-maintained boiler will last between 10 and 15 years, with a service carried out at least once a year.

Question 9

How energy efficient is my boiler?

Accepted Answer

Most modern boilers are designed to be highly efficient, due to changes in building regulations. You can use your boiler’s Energy related Products (ErP) directive certification to understand how efficient it is.

Question 10

How energy efficient is my boiler?

Accepted Answer

Most modern boilers are designed to be highly efficient, due to changes in building regulations. You can use your boiler’s Energy related Products (ErP) directive certification to understand how efficient it is.

Question 11

Which Baxi boiler do I have?

Accepted Answer

You can identify what type of Baxi boiler you have by checking the instruction manual, serial number, or by calling Baxi Customer Support on  0330 678 0917.

Question 12

How do I know if I've got sludge in my central heating system?

Accepted Answer

Issues with your radiator temperature, leaks from your boiler, and unusual sounds from within your system are all indicators that there is a buildup of sludge.

Question 13

How do I know if I've got sludge in my central heating system?

Accepted Answer

Issues with your radiator temperature, leaks from your boiler, and unusual sounds from within your system are all indicators that there is a buildup of sludge.

Question 14

How does a system boiler work?

Accepted Answer

A system boiler has all the main components of the heating system within it, allowing a neat and quick installation. The boiler heats water stored in a cylinder or tank, delivering hot water when required and is particularly beneficial in properties that have a high demand for hot water.

Question 15

Where is safe to install a boiler?

Accepted Answer

You can have your boiler installed safely in most rooms. However, you do need to consider the Building Regulations.

Question 16

What is a condensing boiler and how does it work?

Accepted Answer

A condensing boiler is a boiler that recaptures and reuses the heat from combustion gases that would normally be lost through the flue. There are three main types of condensing boiler: combi, system, and heat only boilers

Question 17

What temperature should my boiler be set at?

Accepted Answer

Typically, your boiler should be set to at least 65 degrees Celsius to prevent bacteria growing in the water and maintaining comfort.

Question 18

What is the Boiler Upgrade Scheme?

Accepted Answer

The Boiler Upgrade Scheme (BUS) provides eligible homeowners a grant of up to £7 500 to help with the cost of low-carbon heating systems such as air source heat pumps.

Question 19

Does my boiler filter need cleaning?

Accepted Answer

Your boiler filter should always be cleaned as part of your boiler’s annual service.

Question 20

What do Baxi error codes E23, E53, E133, E119 and E128 mean?

Accepted Answer

If your boiler shows error code E28, E53, E133, E119 or E128 then your condensate pipe may be frozen.

Question 21

What is Benchmark?

Accepted Answer

Find out everything you need to know about the Benchmark Scheme - how it works, benefits, and how it affects your boiler warranty.

Question 22

Where can I find the serial number of my boiler?

Accepted Answer

Serial number can usually be found on the drop down panel on the front of the boiler. Some boilers have a tag underneath the boiler. Find out more...

Question 23

Should I turn off my boiler in the summer?

Accepted Answer

Is it ok to turn off your boiler in summer? The short answer is: it depends on your home and your circumstances. Find out more...

Question 24

How old is my boiler?

Accepted Answer

You can find out how old your boiler is by visiting the official industry database. Read more...

Question 25

How often should I have my boiler serviced?

Accepted Answer

Boiler repairs can be expensive and inconvenient. We advise you have your boiler serviced every year in accordance with the manufacturer’s instructions.

Question 26

Why is my boiler pressure low?

Accepted Answer

The pressure on your boiler can go up or down for different reasons. Find out how to adjust it and what to do if your boiler keeps losing pressure...

Question 27

How long does a boiler last?

Accepted Answer

Find answers to how long does a boiler last, when does a boiler need replacing, and how you can make my boiler last longer here...

Question 28

How energy efficient is my boiler?

Accepted Answer

As one of the biggest costs for householders in the UK, find out how energy efficient your boiler is & how much you can save with a high efficiency model.

Question 29

Which Baxi boiler do I have?

Accepted Answer

Not sure which Baxi boiler you have? Find out by serial number & call Baxi Customer Support on 0330 678 0917. Find out more...

Question 30

How does a system boiler work?

Accepted Answer

A system boiler, or sealed system, is a great option if you have more than one bathroom or your household has a high demand for hot water.

Question 31

Where is safe to install a boiler?

Accepted Answer

You can have your boiler installed safely in most rooms. However, you do need to consider the Building Regulations. Get more guidance here...

Question 32

How does a heat only boiler work?

Accepted Answer

Heat only boilers heat the water stored in a cylinder or tank, delivering hot water throughout the property when it’s needed.

Question 33

Where can I find the serial number of my boiler?

Accepted Answer

Serial number can usually be found on the drop down panel on the front of the boiler. Some boilers have a tag underneath the boiler. Find out more...

Question 34

How does a combi boiler work?

Accepted Answer

A combi boiler brings central heating and hot water together in one unit. Water is heated instantly when a tap is turned on and the thermostat signals the boiler to turn on the heating when the temperature drops below a set temperature.

Question 35

What is a condensing boiler and how does it work?

Accepted Answer

Find out everything you need to know about the Condensing Boilers on this Boiler FAQ page - types of Condensing Boilers, how they work, and benefits...

Question 36

What is a condensing boiler and how does it work?

Accepted Answer

Find out everything you need to know about the Condensing Boilers on this Boiler FAQ page - types of Condensing Boilers, how they work, and benefits...

Question 37

What do Baxi error codes E23, E53, E133, E119 and E128 mean?

Accepted Answer

Is your boiler shut down and is showing error code E28, E53, E113, E119 or E128? Find out how to fix this...

Question 38

What temperature should my boiler be set at?

Accepted Answer

Boilers come in all shapes and sizes. If you want to know what temperature should a boiler be set at, take a look at our guide to get a good idea.

Question 39

What should my boiler pressure be set at?

Accepted Answer

Normal operating water pressure for your boiler & central heating system is between 1.0 and 2.0 bar. Find out how to troubleshoot when the pressure drops.

Question 40

Does my boiler filter need cleaning?

Accepted Answer

Ask your installer to clean your filter while carrying out your annual boiler service. Read more to find out why this is important...

Question 41

Do I have to have a magnetic boiler filter installed?

Accepted Answer

Fitting a filter is considered best practice when installing a new boiler. The installer must carry out the following steps when a new boiler is fitted...

Question 42

Do I have to have a magnetic boiler filter installed?

Accepted Answer

Fitting a filter is considered best practice when installing a new boiler. The installer must carry out the following steps when a new boiler is fitted...

Question 43

What is a back Boiler?

Accepted Answer

A Back Boiler is a small, compact Boiler fitted at the back of an open fireplace hearth. Find out everything you need to know about the Back Boiler.

Question 44

What are the different types of boilers?

Accepted Answer

Read about the different types of Boilers, their pros & cons, so you can make an informed decision on what's best for you when you come to replace yours.

Question 45

Are Baxi engineers Gas Safe registered?

Accepted Answer

Yes, our nationwide network of Baxi engineers are employed by Baxi and are Gas Safe registered. Find out more...

Question 46

What is a condensing boiler and how does it work?

Accepted Answer

Find out everything you need to know about the Condensing Boilers on this Boiler FAQ page - types of Condensing Boilers, how they work, and benefits...

Question 47

Why is my external condensate pipe freezing?

Accepted Answer

Condensate pipes can freeze in extreme temperatures or as a result of improper insulation. A slow flow rate can also cause the wastewater to freeze before it can be drained away.

Question 48

What is a condensing boiler and how does it work?

Accepted Answer

Find out everything you need to know about the Condensing Boilers on this Boiler FAQ page - types of Condensing Boilers, how they work, and benefits...

Question 49

What is a condensing boiler and how does it work?

Accepted Answer

Find out everything you need to know about the Condensing Boilers on this Boiler FAQ page - types of Condensing Boilers, how they work, and benefits...

Question 50

Why is my external condensate pipe freezing?

Accepted Answer

If you're wondering why your condensate pipe keeps freezing, and want to prevent it, read this article

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Related FAQs

Should I turn off my boiler in the summer?

Is a condensing boiler a combi boiler?

Why should I get the water in my central heating system cleaned?

Why should I have a filter fitted?

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