On 2 Jan 2012 18:20:49 GMT, Bob Eager wrote:

On Mon, 02 Jan 2012 18:06:13 +0000, Brian Gaff wrote:

So why don't they simply modify a power shower device to make hot water
available straight away rather than have a receptacle like a normal
kettle?. I can see that to boil water you might have a safety risk, but
if its just water for washing stuff etc, it sould be fine I'd have
thought.

Been around for years. Under-sink heaters. As you say, not boiling but...

what power are they? back off a fag packet calculation would indicate that
it would take 40sec (37.something) to get one litre of water near boiling
e.g 95C for 5C supply even using a 10kW heater unless I've missed
something. Flow rate something like 26cm3/sec
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