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Replacing a gas boiler







Replacing a gas boiler

Selecting a new or replacement heating boiler can be a hard project. You might start with the cost but also need to think of other considerations, you have to take into account how much hot water you will be likely to require, how much gas the heating boiler will burn and how much space you have to install it.

The primary gas fired boiler types are:-

Gas Fired domestic back boilers

Some families still have back boilers, if you look cautiously in the chimney you might see the back boiler fitted out of sight, the back boiler being obscured at the back of the fire. Low internal water pressure is a problem with these gas back boilers and you will not be putting in one of these unless it is a substitute, space can be an issue and you will want to find a place to conceal this type of boiler. Having said this your best alternative could be a substitute if you already have this type of boiler.

gas back boilers have not been noted for their cost-efficiency in the past, but of late large advances in economy have been made, so by swapping out an aging inefficient back boiler, you could make savings in your energy usage and cut your heating bills.

The latest Combination gas fired boilers

The combi gas fired boiler is now the most popular type of boiler. They are cost-efficient and small enabling them to be installed into small spaces. They also heat cold water instantly meaning that you do not will have to wait for a hot water cylinder to heat up – as a result you have endless hot water.

Combi heating boilers use less energy than the other types.. As they don’t store hot water there are diminished heat losses. One drawback to look for is that you hot bath could run cold if somebody turns on the hot water taps in the kitchen at the same time.

Unvented central heating central heating boilers

A central heating gas boiler works on the principle of retained hot water. This means that you will require an airing closet or alternative space for the hot water storage cylinder. The other system elements to be integrated into the heating boiler simplifying the installation.

Running several streams of hot water from different taps simultaneously is now manageable. You will also get great water pressure.

Open vent central heating system central heating boilers

an open vent boiler is the most popular type of heating boiler. They come with two water tanks to be fitted in the loft., a lot of precious storage space is needed as the hot water storage is also required in the airing closet.

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

Water expansion and contraction is accommodated by the second cylinder in the attic. Whilst you can now run several hot water taps concurrently you will be limited by the hot water tanks capacity.

Posted in Boilers


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