On 31/03/2021 16:17, Mike Halmarack wrote:

I'm seeking some advice on choice of electric, undersink boiler.
I only have a need for hot water, Maybe 4 washing up bowls a day, 8
washhand basins full per day ( unless the water from the boiler is
drinkable and then 8 kettles full per day too).
Can anyone recommend a small undersink boiler that will be suitable
for this?

Sadia heaters were the usual choice in the past, which usually were over
the sink with a long spout that dripped as the water heated up in the
tank and expanded - the tap was on the inlet. I stayed at a place where
the tank was under the sink and the hot tap knob was connected via a rod
through the tap to the inlet tap underneath - it just looked like a
normal hot tap.

--
Max Demian