On 1/28/2016 10:36 AM, Ophelia wrote:
> "graham" > wrote in message

>> I recently replaced my water heater with a conventional 40 gallon one.
>> Gas
>> fired. Instant ones have been promoted here for a couple of years or so
>> but it wasn't feasible for my house. Mini, under the kitchen sink heaters
>> are often in up-market houses and have been for over 20 years.
>
> Do they run the central heating too?
>
Not the kind we've had in NJ. One heater for hot water, one
heater/boiler/furnace for the radiators.