The Grant Vortex Pro External Oil Boiler is ideal if you need your boiler to be installed outdoors. It offers great performance and exceptional efficiency, being one of the highest-efficiency outdoor oil-fired boilers on the market.
Its high-quality, powder-coated external casing houses all the high-quality components of the Grant Vortex Pro Internal Boiler range and carries the added benefit of built-in frost protection, defending your boiler against the elements.
Quiet and bio-fuel compatible, the boiler features Grant’s unique Vortex stainless steel heat exchanger and a factory-fitted, multi-directional flue that shortens installation time.
For peace of mind, this boiler comes with a 10-year guarantee when installed by a G1 installer, subject to Grant’s terms and conditions.
Features:
- Designed for outdoor installation
- High quality, powder-coated external casing
- Built-in frost protection suited to all weather conditions
- Exceptional space heating efficiencies
- Quiet operation
- Unique Vortex stainless steel heat exchanger
- Factory fitted multi-directional flue reduces installation time
- HVO/biofuel-compatible (please note that this depends on the biofuel type and blend percentage)
- Sealed system kit available to purchase separately (not included)
- Set output: 41kW
- Max output: 46kW
- 10-year guarantee when installed by a G1 installer (terms and conditions apply – please see brochure for additional details)








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