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Grant Vortex condensing indoor utility boilers, a high efficiency condensing range of free standing internal oil-fired boilers
designed for utility and kitchen installation.

The utility range features the ‘award winning’ unique Grant Vortex stainless steel condensing heat exchanger and tubulator baffle system. The 50-70 utility model has been designed to fit within a kitchen unit and, due to its reduced width, can be used as a direct replacement for most older oil fired boilers.

  • High efficiency SEDBUK ‘A’ Rating
  • Features a Riello RDB Burner
  • Whisper quiet operation
  • Full front service access
  • Fully approved to OFTEC Standard and EC directives
  • Simple and quick to install with no complicated wiring
  • One year manufacturer’s warranty with five year guarantee on boiler heat exchanger


Available in outputs of;

15-21kW (50-70,000Btu/hr)
21-26kW (70-90,000Btu/hr)
26-36kW (90-120,000Btu/hr)
36-46kW (120-155,000Btu/hr)
46-58kW (155-200,000Btu/hr)
58-70kW (200-240,000Btu/hr)

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