The Grant Vortex Eco External 26–36kW is a high-efficiency oil boiler. Grant engineered it for outdoor installation within a tough, weatherproof casing that ensures long-lasting protection against the elements. As a result, it delivers powerful central heating while keeping fuel use and emissions low. Therefore, it is an excellent choice for larger homes that demand higher heating performance with reliable efficiency.
Key Features of the Grant Vortex Eco External 26–36kW
- ✅ 26–36 kW Output Range – Ideal for larger heating and hot water requirements.
- ✅ External Floor-Standing Design – Weatherproof enclosure saves valuable indoor space.
- ✅ High Efficiency (90%+) – Advanced stainless-steel heat exchanger and condensing technology reduce running costs.
- ✅ Low NOx Burner – Cleaner combustion that meets modern environmental standards.
- ✅ Service-Friendly Access – Engineers can easily reach key components within the protective casing.
- ✅ Quick Installation – Pre-plumbed and pre-wired setup minimises fitting time and disruption.
Why Choose This Grant Vortex Eco External 26–36kW Model?
- ✔️ Energy Efficient & Cost-Effective – It helps minimise oil consumption and, as a result, lowers household energy bills.
- ✔️ Built for Outdoors – Moreover, the robust casing ensures durability and long-term reliability in UK weather conditions.
- ✔️ Quiet Operation – Low operating noise ensures your outdoor spaces remain peaceful.
- ✔️ Future-Ready – In addition, the boiler supports HVO (Hydrotreated Vegetable Oil) blends for more sustainable heating.
This external boiler is a practical solution when indoor space is limited or when providing heating for larger properties and outbuildings from a single outdoor plant. In addition, our G1 accredited installation and HeatCover V4 plan provide long-term protection and peace of mind. Consequently, the Grant Vortex Eco External 26–36kW delivers reliable, efficient performance year after year.
For full technical specifications, visit the official Grant UK Vortex Eco External product page
What’s Included with Installation
- Standard horizontal flue
- System flush
- Corrosion inhibitor
- Condensate pipework installation
- Room thermostat and programmer
- Registration with local authorities and manufacturer
- Grant Mag One Duo filter
Installation & Service Area for the Vortex Eco External 26–36kW
Please note: This boiler comes with standard installation.
We provide installations across the East Anglia region.
For full installation criteria, please see our
Terms & Conditions.
