Features of new and substitute central heating boilers

It is not simple Picking Out a new or substitute boiler and often skilled help is called for. expense will be high on your list but you also need to think of other things, whether you will use one hot tap or many at the same moment it is to be looked at, how economic the central heating boiler is and what space you have available for the installation.

The primary gas fired boiler types are:-

Gas Fired back boilers

If you live in an aging dwelling house you might have a back boiler installed, installation of these back boilers was normally at the back of the chimney in the front room, the back boiler being sheltered behind the fire. Low water pressure is a problem with these gas back boilers and you will not be installing one of these unless it is a substitute, they need a lot of space and there needs to be somewhere to obscure the boiler. A substitute back boiler however could be your best choice if you already have one.

Previously gas back boilers had not been cost-efficient, but the modern back boilers are more cost-effective now, so by putting in a new back boiler, you might make a large savings on your heating bills with improved boiler efficiency.

The latest Combination gas boilers

The most popular type is now the combi gas boiler. They are economical and small enabling them to be fitted into small spaces. They also heat cold water direct meaning that you do not will have to wait for a hot water cylinder to warm up – therefore you get a plentiful supply of hot water.

A combi is also more cost-efficient than other types of gas fired boiler. As they don’t store hot water there are decreased heat losses. A drawback of this can be that the central heating cannot furnish hot water to several water taps at the same time.

Unvented central heating system boilers

Your system gas fired boiler will use a hot water cylinder to store previously created hot water. This means that the space requirements are larger. Building the other system constituents into the boiler this means that installation is less involved and lower-priced.

Hiving Away hot water means that you can draw hot water from many taps or a bath concurrently. You can get a good internal water pressure from a system gas boiler by installing the hot water tank high in the house.

Open vent central heating system gas fired boilers

The most common home central heating system is a vented heating boiler. The open vent gas fired boiler requires to water tanks to be fitted in the loft, and a hot water storage tank in the airing closet so it uses a lot of space.

The first tank in the attic feeds mains supply water to the hot water storage cylinder.

The 2nd 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 several hot water taps simultaneously.