Guide To Conventional Boilers

Regular boilers are the traditional choice in the UK and modern systems can be easily retrofitted to older houses. But there are other choices to be aware of.

A conventional boiler is also referred to as regular or heat-only boiler which can sometimes be confusing when people separate that into two different categories. But don’t be deceived, it’s the same thing. This type of boiler is a standard heating system used in a great many buildings. A conventional boiler requires a separate water tank to store the warm water before it is used.

Thus, when installing a conventional boiler, you will need space for two water tanks: one tank is used to supply the cold water, while another one is used to store the hot water before it is applied in the household.

What’s In This Guide?

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This type of boiler is an excellent choice for large households that require an immense amount of hot water and heating supply. It suits the best for large properties because there is more available space to install the conventional boiler than in regular houses. For the efficient performance of the system, you need to install two tanks in your house to store the water and have enough space for them.

Therefore, if you are considering a conventional boiler as a heating system for your household, you need to plan out a particular space for it in your house. Another benefit of this type of boiler is that the hot water can be used at several taps at the same time, as it already has the heated water stored in the water cylinder.


How a Conventional Boiler Works

The cold water from the first tank moves to the hot water tank in which it heats up with the help of wires that are present in the cylinder. The heated water is stored in the cylinder until it is required in the household. It can be used both for space heating or at the tap. With the use of a pump, the water circulates through the piping of your house to heat the radiators.

A cold water tank is an essential part of a conventional boiler since it moderates the volume of water that will be heated up by the boiler in the hot water tank. As mentioned previously, with a conventional boiler you can use several taps, shower, or a bathtub simultaneously. Although, it takes time to reheat the cold water if all the hot water has been used.

The Pros and Cons

When compared to other boiler types, conventional boilers can be a good choice for some and do have their benefits.

Conventional Boilers: The Advantages

Conventional boilers are a perfect fit for large properties with a high level of water consumption. Due to the two water cylinders the amount of water that you store is higher than with another type of a heating system, for example, a combi-boiler.

With conventional boilers, you can use the hot water from various sources without letting it cool off. For the households that have more than two bathrooms, a conventional boiler is an excellent solution.


A conventional boiler is easy to install unlike old boiler systems in old properties since only a few pipes will have to be replaced. That will help you save time and money while installing a new heating system.

Conventional Boilers: The Disadvantages

This system takes up a lot of space. Therefore, if your property is not large enough, a conventional boiler may not be the best option for your house.

The conventional boiler provides you with a large amount of water. However, it can be limited by the size of a water tank. Hence, when choosing the size of a water tank, be sure to invest in the one that meets the needs of your household.

The pump that transfers water into the piping isn’t a part of the boiler structure, so you will need to spare some additional space for it.


The Cost of a Conventional Boiler

When you plan to invest in a conventional boiler, it is better to choose a brand new one over a second-hand one. With a new conventional boiler, you can get the warranty that will cover the repairs as well as you will benefit from the customer service and professional installation carried out by a certified expert. Investing in a new boiler will require higher expenses but, in the long run, you will be able to save your time and money.

Similar to other types of boilers there are two main factors that can affect the price and should be taken into consideration when you choose a new boiler. First of all, it is essential to determine the size of the storage tanks that will be suitable for your household to provide the necessary amount of hot water and heating for your household.

For the houses with three bedrooms, a more powerful conventional boiler will be required than for a small household with two bathrooms. Together with the size of your property, there are other factors to take into consideration before you invest in a conventional boiler, such as efficiency, reliability, and the quality of the product. Since a boiler can be a significant investment, you would have to consider all the information carefully to make the right decision.

Depending on the type of boiler the price will range between £500 and £1,600.


Installation of a Regular Boiler

The process of installation of a conventional boiler isn’t too complicated. If you have been using an old central heating system in your household before, a conventional boiler will be relatively easy to install instead of the old system. In this case, only a few pipes will need to be replaced so you will be able to keep the costs lower.

On the other hand, if you would like to replace a condensing gas boiler with a conventional boiler, the installation costs can be slightly higher. This type of replacement will require more work because the existing pipes will have to be connected to the new system.

Find a Professional Company

If you are planning to invest in an electric steam boiler, you will need to find the right option for your house as well as the right people to complete the installation works.

Last Updated on April 25, 2021


Author: Indra Gupta

Indra is an in-house writer with a love of Newcastle United and all things sustainable.

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