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What are the types of heating boilers supplied? Acquiring a new or replacement heating boiler can be a tough task. expense is obviously one factor but there are different considerations, you will need to appraise when and how much hot water you will use at any time, the storage space you have ready for heating central heating boiler component parts and how green the gas fired boiler is. The most common gas fired boiler types are:- gas back boilers Some households still have back boilers, being fitted in the chimney they were obscured from view, with a fire in front to obscure them. Low water pressure is a problem in these boilers and they are now only installed as substitutions, fitting requires a lot of space and you will require somewhere to obscure your boiler. A replacement back boiler even so could be your best option if you already have one. Back boilers have not been noted for their efficiency in the past, but big advances have been made over the past 5-10 years, so by replacing an older back boiler, savings on your heating bills could be available with a more economical boiler. The latest Combination central heating boilers The most common type is now the combi gas boiler. They are cost-effective and small enabling them to be fitted into small spaces. As they take cold water from the mains and heat it immediately this removes any delay in waiting for hot water - and your hot water supply will be unlimited. Combi gas boilers use less energy than the other types.. There is no hot water storage tank reducing heat losses in the central heating system. The downside of this is that combi central heating boilers sometimes struggle to supply several hot water taps concurrently. Unvented system heating boilers A central heating gas fired boiler works on the concept of retained hot water. This will require space in your home. The installation tends to be easier and lower-priced with this form of gas boiler as the other central heating system constituents are built in. Drawing various streams of hot water from diverse taps simultaneously is now possible. You can get a good internal water pressure from a system central heating boiler by installing the hot water tank high in the home. Open vent central heating system heating boilers Most probably your dwelling house will have an existing open vent gas boiler installed. They come with two water storage tanks to be installed in the loft., the airing closet is still required for the hot water storage tank and overall this takes a lot of space. One of the loft cylinders feeds the hot water storage cylinder with water from the mains. The second is called the feed and expansion and this enables the water in your central heating to expand and contract. Although the hot water cylinder will take a while to heat up it it can supply many hot water taps concurrently. David is the maintainer of combi boiler information , an informative site which contains articles and information on choosing the best combi boiler. http://www.combiboiler.org . Please visit for more tips on how to save money.
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