A combi boiler controls the water temperature for your heating system and hot water. It is the central hub that determines how hot the water being pumped to your radiators and taps is. So it makes ...

Description: The Simplicity high-efficiency combination gas boiler features leading-edge hydronic technology for residential applications, the unit combines the warmth of high-efficiency space heating ...

Octopus Energy has insisted UK households set their boilers to a certain temperature. The energy giant says combi boilers work best when they heat radiators to 60°C or below. But this ‘flow ...