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

The Grant Vortex wall-hung condensing boiler range; comprising two indoor and two outdoor SEDBUK ‘A’ rated models, available in outputs ranging from 40,000 – 70,000 Btu/hr in open vented system versions. The new appliances encompass Grant’s patented Vortex stainless steel heat exchanger and turbulator baffle system.

All Indoor wall hung models require a separate flue kit (not supplied with the boiler) and are compatible with all Grant EZ-Fit low level, high level and vertical flue systems, so now almost any installation situation can be catered for.

  • Ecoflam MAX1 Burner
  • 1 Year guarantee
  • Whisper quiet in operation
  • Wall mountable
  • Multi-directional flue (factory fitted on external models)
  • Removable control box
  • Internal condensate trap (with external option)


Indoor model available in outputs of;

12-16kW (40-55,000Btu/hr)
16-21kW (55-70,000Btu/hr)

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