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Grant Vortex Boilerhouse



IITC CODE Model Outputs
GBH5090 50-90,000Btu/hr (15-26kW
GBH90120 90-120,000Btu/hr (26-36kw)
GBH120155 120-155,000Btu/hr (36-46kW)
GBH155200 155-200,000Btu/hr (46-58kW)
GBH200240 200-240,000Btu/hr (58-70kW)


A high efficiency condensing range of oil fired boilers designed for boiler house or garage installation.

The Boiler House range features the ‘award winning’ unique Grant Vortex heat exchanger and have some of the highest efficiencies available on the market today.

High efficiency SEDBUK & HARP ‘A’ rating
Suitable for balanced or conventional flue application
Features a Riello RDB Burner
Compact design supplied with factory fitted blue insulated jacket
Fully approved to OFTEC Standard and EC directives
One year manufacturer’s warranty with five year warranty on boiler heat exchanger
Whisper quiet operation




Condensing Oil Boilers
EZ Fit Flue Guide
Installer Technical Data