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Your choice of boiler depends on where it’s being installed. Different sized establishments all have different needs – and suit different boilers. Whenever we give you a quote we will always recommend the specific machine that is best suited to your individual requirements. Here, though, is an overall guide to the different types of boilers that are available:
Combination boilers
Combination boilers, as the name suggests, combine most of the components of a conventional system i.e. boiler, cylinder, pump, control valves and thermostats. Together, these are housed in one unit (The Combi).
The technology involved with this type boiler has improved at a dramatic rate over the last five years. Where, not so long ago, a combi would only produce nine litres of hot water per minute at 35°. Nowadays they can produce up to eighteen litres a minute at 35°. This is why they now account for most new boilers found in the UK today. In general, combination boilers best suit flats and small houses.
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Conventional boilers
A conventional system (as opposed to a combi system) is one where a cold water storage tank, a hot water storage cylinder, a heat only boiler and separate controls are installed to provide primarily a greater volume of hot water.
This type of system is more suitable for larger houses with two or more bathrooms where hot water demand at several taps is likely to be simultaneous.
Conventional boilers best suite bigger houses..
Condensation systems
From April 2005 everyone’s had to fit condensing boilers as part of the Kyoto agreement. This is good news for the environment since it has reduced carbon dioxide emissions by 15%. (Incidentally, all our fleet vans run on LPG – another environmentally friendly measure).
Installers, such us here at Help Plumbing and Heating, follow official CORGI guidelines to decide whether a installing condensing boiler is suitable – there are still some exceptions (around 5%).
Condensing boilers all produce steam**. It’s not harmful, but will cool into a liquid; around 0.5 to 1 litre an hour. You can dispose of this in a number of ways: via sink waste, soil pipes or an outside gulley. We will recommend which is best for you. We’ll also help you decide if, and where, the flue ought to be situated.
** Don’t understand what is the matter here – don’t they produce steam? If not, what happens?
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