Hot Water System

Hot Water System FAQ:


British Gas have advised me that I need to have my system Powerflushed
which I think is where they flush the system. How does this fix the
radiators coming on when the hot water runs? If a system becomes scaled up how does this cause the radiators to heat up?

Hot Water System FAQ:


This is my problem - whenever I turn my central heating on, my hot water turns on as well. Nothing seems to be wrong with my heating/plumbing system (I think).

And whatever I try, nothing is working to stop the hot water turning on as well.

Any help/advice would be greatly appreciated!!
EDIT: I turn on my heating and the water in my hot water cylinder also heats up, so i get very hot water at the tap whenever I turn on only heating (intended to only turn on radiators heating).

I thought that the water heated for central heating (that goes into and circulates through the radiators) is different from the water in hot water tank that you get from the tap. (Is this wrong???)
And I have a gas-fired pressure system.

Hot Water System FAQ:


I know nothing about heating systems, so forgive my ignorance, please - but I want to install radiators all over my house, connect them with pipes, install an electric pump somewhere to pump the water through, and have the water heated electrically by an ordinary hot water cylinder. In the long run, I want to feed in power generated with solar panels on the roof of the house and by wind turbines. I live in a climate that’s very windy and extremely sunny, but chilly (30 to 60 Fahrenheit every day, some frost), and my house will need about 10 radiators and living space covers around 150 square meters of miserably insulated, 100-year old wood construction with single glazing.
Does this sound like it can be done, and may even be a good idea, or should I do something else (would be grateful for alternatives if so).
Cheers.