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Vortex Pro: External Combi

a Heating b Water

10 Year guarantee^*

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.

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Features & Benefits

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Specifications

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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

Case Studies

Grant boilers combine choice, quality and service to be an installer’s favourite oil boiler brand

Case Study

G1 Installer Highly Commended with Grant boiler installation

Case Study

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

Product code	Model	Set Output	Max Output	Weight	Height	Width	Depth	Efficiency	NOx Emissions	Energy Rating	Load Profile	Energy Label	Product Fiche
VTXOMCOMBI21	Vortex Pro External Combi 21	21kW	21kW	181kg	945mm	658mm	754mm	90.81	Class 2	a Heating b Water	XL	View	View
VTXOMCOMBI26	Vortex Pro External Combi 26	26kW	26kW	206kg	945mm	658mm	754mm	91.71	Class 2	a Heating b Water	XL	View	View
VTXOMCOMBI36	Vortex Pro External Combi 36	36kW	36kW	225kg	945mm	658mm	754mm	94.56	Class 2	a Heating b Water	XL	View	View