Grant Vortex Eco External Wall Hung 16–21kW Oil Boiler | Includes Installation

Description

The Grant Vortex Eco External Wall Hung 16–21kW Oil Boiler is a compact, high-efficiency oil boiler designed for properties where internal space is limited and an external wall-mounted installation is preferred. Reliable and efficient, it provides consistent central heating while helping to keep fuel consumption and emissions low.

Housed in a weatherproof external casing, this wall-hung boiler is ideal for installation on an outside wall, freeing up valuable indoor space. As a heat-only boiler, it is designed to operate with a hot water cylinder, making it suitable for traditional heating systems in small to medium-sized homes.

Built with Grant’s proven stainless-steel heat exchanger and advanced condensing technology, the Vortex Eco External Wall Hung model offers dependable performance, quiet operation, and long service life. The boiler is also HVO-ready, helping future-proof your heating system as fuel options evolve.

Key Features of the Grant Vortex Eco External Wall Hung 16–21kW

✅ 16–21 kW Output Range – Ideal for low to moderate heating demand
✅ External Wall-Hung Design – Saves internal space with outdoor installation
✅ High Efficiency (90%+) – Condensing technology helps reduce oil usage
✅ Low NOx Burner – Cleaner combustion meeting modern standards
✅ Stainless-Steel Heat Exchanger – Durable and corrosion resistant
✅ Weatherproof Casing – Designed for reliable outdoor operation

Why Choose the Grant Vortex Eco External Wall Hung Oil Boiler?

✔️ Space-Saving Solution – Keeps boiler equipment outside the property
✔️ Efficient & Cost-Effective – Helps control running costs
✔️ Quiet & Reliable – Suitable for residential environments
✔️ Future-Ready – Compatible with HVO (Hydro treated Vegetable Oil) biofuel blends

The Grant Vortex Eco External Wall Hung 16–21kW Oil Boiler range is engineered to deliver reliable heating in a compact external format. When installed professionally and serviced regularly, it provides dependable performance year after year across East Anglia.

For detailed product specifications, please visit the official Grant UK page.

Enhance peace of mind with our HeatCover V4 plan
and our G1-accredited installation for dependable support and long-term performance.

What’s Included with Installation

• Standard external 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

Please note: This boiler includes standard installation.
We only install boilers in the East Anglia region.

For full installation criteria, please see our Terms & Conditions.