Search results

Hi, I have a Vaillant 418 boiler in a vented system with a hot water cylinder. There are two motorised valves. One is governed by a timer. If within the set time the water temperature falls below a set limit, the valve is activated by a thermostat in the cylinder. The other valve is governed by...

Hi, I am thinking of replacing the central heating radiotors in my flat. They are very old and inefficient. On the internet, I have come across Stelrad Halcyon and Stelrad Classic. Just going from the photographs, they look very similar. Are they actually the same? Many thanks.

Hi, I had a Vaillant 418 installed in my two bedroom flat. Three of the five radiators are quite large. The system is vented. The boiler has a tendency to get up to its maximum flow temperature, and then stop firing, even though the room thermostat is still calling for heat. Once the...