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.


Card image capCombi Boiler
All components are within the boiler and hot water is on demand ie no seperate hot water cylinder.


Card image capSystem boiler
A system boiler where pump, expansion vessel, bypass valve usually inside boiler. You have a seperate hot water cylinder.


Card image capRegular boiler
A regular or open vent boiler, where components are external ie pumps, expansion etc. Seperate hot water cylinder.