Safe shopping by GeoTrustIf you are wanting to use your loft space for a room renovation or for other reasons: Combi
If you live in a flat or bungalow and have very slight or no roof space: Combi
If your house has more than 2 bathrooms: Regular or System
If your mains water pressure is low: Regular or System
If you want to change an aged boiler to improve an existing conventional central heating system: Regular, System or Combi
If the amount of people in your home means that there is expected demand for hot water on tap, but waiting for the tank to always refill and heat up is, or would be, problematic: Combi
Last Updated: June 16, 2009
