By: Eugene Sabri
Submitted: 2009-05-25 00:01:54 | Word Count: 437
In the UK, the most common type of boiler in use is the combination, or combi boiler. These usually come in one of three typical control configurations. The first type comes with a standard timer pre-installed, which cannot be changed or replaced. The second type can be fitted with any compatible fascia-mounted timer. The third type can only use remotely mounted controls plugged into the boiler via a cable.
Since April 1 2005, all new boiler installations in the UK have had to, by law, come equipped with at least a minimum level of energy conserving features and controls. Modern controls manage both the boiler and the central heating system. Whereas larger multi-component boilers have controls which operate both the hot water and the central heating, combi boilers only have controls for altering the room temperature, as the hot tap water is heated using the heat from the central heating system.
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Thermostatic Radiator Valves, often referred to as TRVs, help to keep temperature levels within a pre set range by measuring the room temperature and turning the radiator on and off as required.
Before splashing out on a new boiler and central heating system, it is a good idea to think about where you are going to put the boiler. For example, if your boiler is going to be in a loft or an airing cupboard where access is relatively restricted, it would be better to go for remotely mounted control set, whereas if it was mounted in the kitchen, fascia mounted controls would probably be a better and cheaper option. In any case, it is important to choose a boiler that can accept the type of controls that you will require.
Boilers that can accept external controls that plug into the front fascia connect to the thermostat via the sending and receiving of RF signals, whereas remote controls tend to have the thermostat integrated with the timer, although this arrangement entails a greater amount of wiring and potential disruption for the occupants of the property during installation.
Although buying a boiler with an integral timer may work out a little bit cheaper in the short term, it could turn out to be a false economy in the longer term, as you will be unable to upgrade or replace the units separately if either should become broken or outmoded.
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