Ideal for installations where space inside the home is limited, the Grant Vortex Pro External Combi range delivers high efficiencies and excellent hot water performances. All three Grant Vortex Pro External Combi boilers have a high quality, external powder-coated casing, built-in front protection and a factory fitted, multi-directional flue. Designed with the installer in mind, each of these oil boilers is also supplied with a 24ltr expansion vessel as standard.

• Low NOx Riello burner with plug and socket connection to control panel
• Exceptionally quiet
• Internal condensate trap can be sited externally if preferred
• Electronic boiler thermostat
• High quality external powder coated finish
• Average SEDBUK SAP 2009 rating of 89.50 Percentage and registered with the energy savings trust
• 1 year standard warranty and 2 years if registered within 30 days
• 5 years if installed by a registered G1 installer with a Grant or equivalent filter