CONVENTIONAL CENTRAL HEATING SYSTEM - INFORMATION AND SYSTEM DIAGRAM

CONVENTIONAL BOILER SYSTEM

With this type of system hot water cannot be provided on demand but must be stored, usually in a copper cylinder (usually located in an airing cupboard) and a cold water tank above it (usually in the attic) as well as a smaller central heating header tank (also usually in the attic).

As the water is pre-heated and stored, it can be used by more than one tap at a time without significant loss of flow. The Conventional system is particularly suited to the larger property with more than one bathroom or where mains water pressure is too low for a mains operated appliance such as a combination boiler or unvented cylinder.

From April 2005, changes in the Building Regulations effect how your installer replaces your boiler/cylinder or makes changes to your heating controls. Click here for more information

There are various ways in which conventional systems can be improved.

1.	Boiler renewal. Old boilers can be renewed for improved efficiency, safety and economy.
2.	Power flushing to remove accumulated sludge, possibly coupled with installation of pressurisation kit (the header tank is removed), for improved filling and circulation and to prevent air from entering the system.
3.	Upgrade to pre-lagged, high efficiency conventional cylinder for faster heat up and economy.
4.	Upgrade to unvented hot water. The large cold tank and cylinder are removed and a special cylinder installed.
5.	Change to continuous hot water. All 3 tanks are removed and a combination boiler replaces the existing conventional boiler.
6.	Controls upgrade for separate time and temperature control of central heating and hot water for improved economy and comfort control.

From time to time, your central heating system may require bleeding. Click here for more information

Conventional Heating System

Combination Heating System

All installations are carried out in accordance with relevant regulations and good practice.

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Abacus Gas are accredited Vaillant boiler installers and are able to offer a

5 year warranty

(instead of the usual 2 years) on all Vaillant boiler installations.

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CONVENTIONAL BOILER SYSTEM