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Grant Vortex Outdoor Combi



IITC CODE Model Outputs:
GCCOM90 90,000Btu/hr (26kW)
GCCOM120 123,000Btu/hr (36kW)


A high efficiency condensing range of external oil-fired combination boilers designed for cost effective installation, instant hot water production and situations where internal space is at a premium.

• High efficiency SEDBUK ‘A’ Rating
• Mains pressure hot water on demand
• High Domestic Flow Rates
• Features a Riello RDB Burner
• Whisper quiet operation
• Optional pipe entry points
• Unique drop-down control panel for ease of servicing
• Fully valved flow, return and cold feed, meaning the appliance can be completely isolated from the system
• Comes complete with a factory fitted multi-directional flue
• Optional side or rear flue exits
• High quality nickel plated internal pipework
• Includes a factory fitted frost stat preset to 5°C
• Fully approved to OFTEC Standard and EC directives
• One year manufacturer’s warranty with five year guarantee on boiler heat exchanger



Condensing Oil Boilers
EZ Fit Flue Guide
Installer Technical Data