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Replacing a heating boiler







Replacing a heating boiler

You might require assistance in identifying your next heating boiler as this is not a transparent cost based decision. expense will be high on your list but you also need to think of other things, you will require to reflect on how much hot water your household will use, how economical the gas fired boiler is and what space you have available for the installation.

The most familiar heating boiler types are:-

Gas Fired gas back boilers

If you live in an aging house you might have a back boiler installed, these domestic back boilers were typically installed in the chimney space out of sight, the coal fire often hid the back boiler which was behind it. If you do not already have this arrangement then its not going to be a first option for you as the internal water pressure is low, space can be an issue and you will want to find a place to conceal this form of boiler. Having said this your best option could be a substitute if you already have this type of boiler.

Domestic back boilers have not been very economical in the past, but big improvements have been made over the past 5-10 years, so by replacing an aging back boiler, you could make savings in your energy usage and cut your heating bills.

Combination central heating boilers

In recent years the most popular type of heating boiler sold is the combi central heating boiler. They are cost-effective and small enabling them to be installed into small spaces. They also heat cold water immediately meaning that you do not will have to wait for a hot water tank to warm up – this means you get an on-going stream of hot water.

Combi heating boilers are more cost-efficient than the other gas boiler types. As they don’t store hot water there are decreased heat losses. One disadvantage to look for is that you hot bath could run cold if someone turns on the hot water taps in the kitchen concurrently.

Unvented system gas fired boilers

central heating heating boilers use a water cylinder to store hot water. This means that you will need an airing cupboard or alternative space for the hot water storage cylinder. The installation tends to be better and lower-priced with this type of boiler as the other central heating elements are built in.

You can now run several hot water taps at the same time as they are furnished from the hot water tank. You can get a good internal water pressure from a central heating system boiler by putting in the hot water tank high in the house.

Open vent central heating system central heating boilers

an open vent boiler is the typical system in most peoples houses. The open vent heating boiler requires to water storage tanks to be fitted in the attic, and a hot water storage cylinder in the airing cupboard so it uses a lot of space.

The first tank in the attic feeds mains supply water 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. Many taps or showers and baths can be run simultaneously but the hot water cylinder does have a finite capacity.

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