Replacement hot water cylinder

message from mike ring on 20 May 2004
Hello all,

I'm thinking of replacing my elderly copper cylinder, and came across the
Albion Superduty cylinder

http://inspiredheating.co.uk/acatalog/Albion_Superduty_Cylinders.html

Does anyone have any experience of these? I'm very happy to pay the price
premium if they're half as good as claimed, as well as saving space in the
airing cupboard.

mike
 
Andy Hall replied to mike ring on 20 May 2004
One of my neighbours has one. Very good.

I would check the boiler and its capacity before going for a smaller
size.

The argument behind space saving is that you can put more heat in than
with a conventional cylinder and that you are replenishing heat as you
are using it. This is true, but if you do the sums on the energy
required if you are used to drawing off a bath quickly or having a
long shower, then be a bit careful that you don't go too small with
the cylinder size.

In the end case, when all the stored water is used up and you are
relying on the instantaneous heat from the boiler, the water is likely
to become rather cooler than normal or you have to reduce the flow
rate.

The point is that even with a very effective heat exchange such as
this, you will still be taking energy out faster than it is going in
in most cases. It could be as much as 2:1

It does depend on your usage pattern, but it would probably be unwise
to go to less than 75% of the current capacity without doing the sums
carefully.

.andy

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