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| Sealed
System with Open Vented Hot Water |
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| No
need for both tanks in the attic |
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| The
move from 'Open Vented' is cheap |
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| Low
cost for a replacement |
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| Stored
water |
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| Multiple
draw off |
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| Airing
Cupboard |
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| Boiler
locks out if system leaks |
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| System
fully pumped |
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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
water needs to be reheated |
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| One
tap with drinkable water |
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| Low
pressure DHW system |
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The illustration shown here is typical of an Open Vented Sealed
System. The difference between this system and a traditional system
is that here only one tank is in required. A hot
water storage cylinder is also required.
The 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.
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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