Domestic Boiler Types LHS Cover
A combination boiler provides central heating and instant hot water with no need for a storage facility.
This is part of a 'sealed' system which means that there is no need for a tank in the loft or water storage cylinder.
These boilers have a special heat exchangers in them and heat the water through this unit.
The main advantages of this system is that there is no need for a cold water tank as the system can take direct
feed and there is also no need for hot water storage tank as the boiler heats the water as is needed.
These system again like tradition boilers come in variety of sizes and specification.
These kind of boilers in conjunction with a hot water storage cylinder can deliver the hot water all
through different pipes in the house simultaneously. Traditional boilers come in different sizes and shapes
but they tend to be smaller than combination boilers. They can be placed inside or outside the house in a boiler
room. The size of the cylinder should be decided by you based on the amount of water needed in your household.
You will also require a cold water tank which usually is placed in the loft space.
All boilers need air for combustion and a flue to get rid of the combusted particles which is mainly
water vapour and carbon dioxide. Flue’s again come in different types and it all depends on the type and
the make of the boiler that you choose. Flue’s can be conventional, which is the traditional chimney flue or
boiler assisted flue’s. For more information on the flue system required you should discuss this with your
plumbing engineer before the construction of the house as you might need a special location to place the flue
for your chosen boiler.
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