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Knowledge & Support
Explore our Knowledge Hub:
Tips & Advice Education Area Case Studies The Grant House Virtual House FAQs Glossary Visit the Knowledge HubLooking for Help & Support:
Product Support Find an Installer Find a Merchant Extended Warranties ServicePlan Product Guarantees
Vortex Pro: External Combi
Grant Vortex Pro External Combi boilers have a durable casing designed for all weathers which encases the same features of the Pro Internal Combi models.
Comprising of three models, the Grant Vortex Pro External Combi oil boilers have larger than normal heat exchangers and deliver excellent hot water performances. Highly efficient and with built-in frost protection, the Grant Vortex Pro External Combi range is the perfect option when space is at a premium inside the home.
Features & benefits
- *10 year guarantee when installed by a G1 Installer (Terms and Conditions apply)
- Available in outputs of 21kW, 26kW and 36kW
- Incredible space heating efficiencies of 90.81 – 94.5%
- High quality, external powder-coated casing and with built-in frost protection
- Feature Grant’s patented stainless heat exchangers
- Supplied with 24ltr expansion vessel
- Factory fitted multi-directional flue to save installation time
- Neon diagnostic indicators to allow for easy operation
- This range is biofuel compatible (depending on the type of biofuel and % blend)
- Heating engineers should visit the Professionals Vortex Pro External Combi range webpage to read more about these models
Awards & Accreditations
The importance of routine servicing
Regularly maintaining an oil boiler with routine servicing is beneficial in many ways. It is recommended that Grant oil boilers are serviced every twelve months to help prolong the lifespan of the product. In addition, servicing involves checking the system as well, ensuring that both the boiler and system are operating safely and efficiently.
To read more about how homeowners can take care of their Grant oil boiler, take a read of one of our blogs.
Specification
Downloads
Case Studies
Grant boilers combine choice, quality and service to be an installer’s favourite oil boiler brand
G1 Installers, Marshall Heating Ltd, completed the installation of a Grant Vortex Eco Utility oil boiler in the village of Benenden, Kent, in October this year and we caught up with them to discover more about why this boiler, and Grant’s other Vortex and VortexBlue models, are the preferred brand of oil-fired boilers for this installer.
G1 Installer Highly Commended with Grant boiler installation
Neil James of JMS Plumbing & Heating, a G1 Installer based in Leicestershire, has been awarded Highly Commended by the Heating Installer Awards in the Midlands Regional category. His entry showcased his installation of a heating system upgrade for a listed property which involved fitting a Grant Vortex Utility oil-fired boiler.
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