Which type of boiler do you have?

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Combi boilers heat water directly from the boiler when there is a demand for hot water. So you get hot water instantly when you turn the tap on – without a cylinder or a tank in the loft.

If you have a hot water storage cylinder as well as a cold water tank in the loft, your boiler is likely to be a Standard heating system. These are also called Regular, Heating Only or Conventional boilers

A System boiler directly heats your central heating system and produces hot water for a storage cylinder. They work like a Standard Heating System (Conventional) in that they need to store hot water, but unlike Conventional boilers they take their water supply directly from the mains.

Unsure about your heating system requirements? Click here for help