Grant Vortex Pro Internal Combi boiler range features four models including the slimline Vortex Pro Combi XS which is only 515mm wide.The Grant Vortex Pro Internal Combi range is a popular choice for installers. Each model can operate in condensing mode for central heating while also maintaining instant hot water production. Reliable in operation, easy to install and straightforward to service, the Vortex Pro Internal Combination oil boilers can fulfil a home’s heating and hot water requirements in a single appliance.

• 24 Litre expansion vessel supplied with all models
• Neon diagnostic indicators allowing for user friendly operation
• Compatible with Grant EZ-Fit flue systems
• Biofuel compatible depending on the type of biofuel and percentage of blend
• Features large heat exchangers with low water content and larger surface to vastly increase hot water performance
• Incredible space heating efficiencies of 91.7 percent to 94.5 percent
• Riello RDB burner with plug and socket connection
• Comes with high efficiency pump
• Includes heating and hot water selector switches
• Extended to 5 years if installed by a registered G1 installer with a Grant or equivalent filter