We have recently had gas installed and want to replace our hot water cylinder and immersion heater with a gas fired hot water system. Our existing central heating is by electric storage radiator and we are keeping that as it is. The boiler would therefore be for hot water only.
We have obtained quotes from two reputable companies. The first one said that a combi-boiler would be fine for hot water only, as long as they fit a small radiator below the boiler (in the porch) to cater for the central heating circuit.
The second company though, said that any make of combi-boiler would need several radiators connected to the central heating circuit, as otherwise it might fail within 2 or 3 years, and any extended warranty would be void. This company recommended we have a multipoint gas water heater instead, even though the hot water output would not equal that from a combi-boiler.
Who is right?
We have obtained quotes from two reputable companies. The first one said that a combi-boiler would be fine for hot water only, as long as they fit a small radiator below the boiler (in the porch) to cater for the central heating circuit.
The second company though, said that any make of combi-boiler would need several radiators connected to the central heating circuit, as otherwise it might fail within 2 or 3 years, and any extended warranty would be void. This company recommended we have a multipoint gas water heater instead, even though the hot water output would not equal that from a combi-boiler.
Who is right?