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Combi Boiler

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Combi Boiler
Combi Boiler

Know Your Boiler:

What is a Boiler and How Does it Work?

Whether you're replacing an old boiler like for like, or upgrading to a new system - YPS Plumbing Supplies have the right solution for you. When considering the cost of installing a new boiler it is also wise to take into account the cost savings, as a new boiler will also save money – the question is which boiler will

save the most?

From commercial to residential boilers, we can offer a full range or specs, at competitive prices. Gas, oil, LPG and electrical - we supply them all, and from the biggest manufactures in the market, offering great warranties. There are three main types of condensing boilers that can be installed in homes – Combi, Regular and system, with some simple differences between them and who they will benefit best.

Which boiler is best at a glance?

  • Best for effectiveness                        Combi
  • Best for space saving                          Combi
  • Best for small properties                  Combi
  • Best value                                                   Combi
  • Best for 3-bed plus                                System
  • Best for multiple functions               System
  • Best for water pressure                      System
  • Fast response                                            System               

Combi Boilers
The combi boiler is the most popular choice in the UK – small, simple to install and combines two elements into one compact unit – central heating and high efficiency water heating.

These are perfect for small houses or flats, without multiple bathrooms; however, in larger properties the water pressure and volume is reduced, while water flow can be interrupted if multiple taps are on. Combi boilers heat water directly from the mains when you turn on a tap, so you won’t need a hot water storage cylinder or a cold water storage tank in the roof space.

Combi Boilers are also a plus for space saving and also makes significant savings on hot water costs because hot water is delivered through taps and showers at mains pressure, which removes the need for a pump. No tank and no extra pipe work means further cost savings on installation.

They are also very cost-effective and energy-efficient as water is heated instantly rather than being heated and then stored in a cylinder. An added benefit is that hot water is delivered at mains pressure, which means that you could get a powerful shower without the need for a separate pump.

Overall Benefits;

  • Compact sizes make combi boilers perfect for smaller properties
  • Ideal where there is little or no loft space
  • No need for a hot water cylinder allows increased living space
  • No cold water storage tank frees up a loft for conversion
  • No risk of loft pipework freezing
  • Less pipework in the home makes installation typically cheaper

Regular Boilers
Regular boilers (sometimes known as traditional, conventional or heat only boilers) are mostly found in older homes that have not been updated in recent years. They were once the more popular boiler choice, heating the central heating system directly and producing hot water for the cylinder.

They have a lot more parts, so takes up more space, there are also more parts able to go wrong or require

repair. Additionally, they are ideally suited to homes that already have a traditional heating and hot water

system which is linked to a separate hot water cylinder. A feed, expansion cistern and a cold water

storage system will be placed in the loft.

A regular boiler may be the best option for replacing an existing boiler if the property has an older radiator system, as it might not be able to cope with the higher water pressure that is delivered by system or combi boilers.

Overall Benefits;

  • Perfect for homes where a lot of hot water is used at the same time
  • Ideal where there are two or more bathrooms
  • A good option in areas where water pressure is low
  • Compatible with solar water heating systems for a lower carbon footprint

            and lower energy costs

System Boilers
A system boiler heats the central heating system directly and produces hot water from a cylinder, like a regular boiler, and works on the principle of stored hot water.

Many major individual components are built into the boiler, making the installation process easier, quicker,

neater and more efficient. Installation is, however, expensive and space is needed for a cylinder.

System boilers have a faster response time and are more economical in terms of running costs than other

types of boiler, due to the hot water being pumped through the heating system to the radiators, and from a

hot water cylinder from the boiler. The high water pressure makes it good for larger houses with multiple outlets.

System boilers require a cylinder for storing hot water, however the major heating and hot water system

components are built into the boiler itself, making it quicker and easier to install. In addition, there is no

need for a tank in the loft, so it can be an option in a home with little or no loft space or where the space

is earmarked for a conversion.

Overall Benefits;

  • Ideal for homes with more than one bathroom
  • Constant supply of hot water to any number of taps at the same time
  • No need for a loft tank, freeing up space and eliminating worries about leaks

             or frost damage

  • Economical to run
  • Built-in components makes installation quicker and neater
  • These boilers are also compatible with solar water heating systems, which

             deliver environmental benefits as well as lower energy bills

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