Choosing A Substitute Gas Boiler

By Author: Davil Boilap
Total Articles: 53
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Selecting the most appropriate central heating boiler type

Picking Out the correct heating boiler can be a complicated project. You might commence with the cost but also want to think of other considerations, whether you will use one hot tap or many concurrently it is to be considered, the space available in your house and how economical your new gas boiler will be.

The most common central heating boiler types are named below for your consideration:-

Gas Fired back boilers

Back boilers are still found in some families, these are are normally hidden at the back of a chimney, the coal fire often hid the back boiler which was behind it. These are now only fitted as a substitute and they have some disadvantages such as low water pressure, they want a lot of space and you will want somewhere to hide your boiler. A substitute back boiler however could be your best alternative if you currently have one.

Gas back boilers have not been very economic in the past, nevertheless recently large advances in efficiency have been produced, so by exchanging your old back boiler, you might make a large savings ...
... on your heating bills with improved boiler efficiency.

Popular Combination boilers

In the last few years the combi gas fired boiler has become the most popular type of central heating boiler sold. They are efficient and small enabling them to be fitted into small spaces. As they heat water directly from the mains, you do not have to wait for water to heat up - and your hot water supply will be endless.

Combi gas boilers are more cost-effective than the other gas boiler types. The heat loss pattern is reduced as the hot water storage tank in other heating boiler systems is eliminated. However, for this same reason - the lack of a hot water storage tank - your hot bath will be disrupted if anybody else starts running the hot water in your home concurrently.

Unvented system gas boilers

system gas boilers use a water tank to store hot water. You may require to install this in the airing closet taking up valuable space. The installation tends to be easier and lower-cost with this type of boiler as the other central heating parts are built in.

A Benefit of the hot water cylinder is that it facilitates the drawing of multiple streams of hot water simultaneously. You can get a good internal water pressure from a central heating gas fired boiler by installing the hot water cylinder high in the house.

Open vent central heating system central heating boilers

an open vent heating boiler is the normal system in most peoples homes. The open vent gas fired boiler requires to water tanks to be fitted in the attic, and a hot water storage tank in the airing closet so it uses a lot of space.

Mains supply water is fed through one of loft cylinders to the hot water storage cylinder.

The second is called the expansion and feed and this enables the water in your system to expand and contract. Whilst you can now run several hot water taps simultaneously you will be limited by the hot water cylinders capacity.