Selgas
WE do this down here but slightly differently to you folk I beleive.
We fit a heating coil inside the water heater and run the radiator heating system through the coil via a pump. This method prevents the problems with copper flaking and rotting out and the chemical ingress problem as well.
Cheers
Selgas Services Ltd
Craftsman Gasfitters, Plumbers, Electrical Service Technicians
