Dave Plowman (News) wrote:
In article
,
Andy Dingley wrote:
If you want a multi-fuel system with solar or solid input too, then
you do still need some sort of thermal store. If you're designing a
purely gas system, then combis are the way to go.

Maybe if you don't have a bath.

Our WB 30CDi has a flow-rate of 13.1 litres per minute at 35 deg.
temperature rise. It only takes a little longer to fill the bath than our
old conventional system did (and you can keep 'topping up' with hot water
all night long if you wish - no need to wait for the tank to heat up again.

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Triff