Smarter Heating & Hot Water
Select your heating system type
We need to determine your heating system type to proceed to the next stage. See the system types below and choose the 'Choose' button for your system type. If you already have a display code, search fault codes instead.
All components are within the boiler and hot water is on demand - no separate hot water cylinder.
ChooseA system boiler where pump, expansion vessel, bypass valve are usually inside boiler. You have a separate hot water cylinder.
ChooseA regular or open vent boiler, where components are external (pumps, expansion etc). Separate hot water cylinder.
Choose
