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| Traditional
Open Vented System |
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| System
in most houses |
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| It’s
inexpensive to replace |
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| Stored
water |
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| Multiple
draw off |
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| Airing
Cupboard |
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| Familiar
with Installers |
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| Space
hungry |
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| More
pipework is required |
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| Stored
hot water may run out |
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| One
tap with drinkable water |
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| Low
pressure system |
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The illustration shown here is characteristic of a traditional system.
Two water tanks tucked away in the loft, and a hot water storage
cylinder.
One tank draws water from the mains supply and feeds the storage
cylinder which, when heated by the boiler, can release gallons (or
litres if you prefer) of hot water to taps all over the house.
The second tank, commonly known as F&E (feed and expansion)
tank, is usually smaller and maintains the correct level of water
in the heating system. It also allows for expansion of the water
in either tank when it gets hot.
That is a real benefit of this system. Showers, taps and running
baths can be drawn in any room at the same time; not all systems
can do that. Handy, then, if a couple of you arrive home at the
same time ready for a clean up. Although you also need to be aware
that if the cylinder should run cold it will take a little time
to reheat.
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Here to Browse our Boiler Section |
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