"Christian McArdle" wrote in message
. net...

Doubles the price of smaller low
priced units. Two W-B Juniors can be had
for around £1,000 and will deliver approx
20 litres/min. Look around for a
20 l/min combi and see what the prices are.

Or you could just keep the existing system and spend 500 quid on a single
boiler, forget all the combi nonsense (with attendent expensive/time
consuming replumbing) and have 80 litres/min.

£500 gets you from point A to point A. 80 l/min is overkill, and you will
only be getting that for a few minutes before the cylinder is exhausted.
Taken to extremes, the combi's will provide showers for as long as you want,
all day in there with two showers going if you are that way inclined. The
two combi's release valuable space and gives a natural simple zoned heating
system saving money on fuel bills. No contest, the two combi's win hands
down, on all points to gain zoned heating system providing two showers and
bath and liberating space: Two combis win on:

1. Low capital cost of installation
2. Running cost, upstairs heating can be off most of the day.
3. No waiting for showers
4. Showers don't run out of hot water
5. Simple zoned heating system with independent time zones.
6. Different rad temperatures on different floors.
7. Less controls to go wrong, with accompanying down time and expense. (no
zone valves and the likes)
8. Always heat and hot water. Two combi's means built-in redundancy.
9. Release valuable space for storage.

Only disadvantage is slightly more expensive on regular servicing, which is
overwhelmingly offset by the above points



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