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Grant Vortex Eco Internal 15–21kW oil condensing boiler for efficient indoor heating installation

Grant Vortex Eco (15-21kW) Internal Oil Boiler | Install Included

This boiler includes standard installation. Please note, we only carry out installations within Essex and Suffolk. For full details on what’s included, please refer to our terms and conditions.

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£4,803.00

Description

New Grant Vortex Eco (15-21kW) Internal Floor-Standing Oil Boiler Installation in Essex & Suffolk

The Grant Vortex Eco Internal 15–21 kW Oil Boiler is a high-efficiency, condensing boiler
designed for indoor installation. Compact and reliable, it delivers consistent central heating while keeping
fuel consumption and emissions low. Perfect for smaller to medium-sized homes, this Eco model combines
advanced Grant technology with a space-saving design.

Key Features of the Vortex Eco Internal Boiler (15–21 kW)

  • ✅ 15–21 kW Output Range – Ideal for homes with modest heating and hot water needs.
  • ✅ Internal Floor-Standing Design – Slimline boiler, perfect for kitchens or utility rooms.
  • ✅ High Efficiency (90%+) – Uses Grant’s stainless-steel heat exchanger and condensing technology to cut fuel bills.
  • ✅ Low NOx Burner – Meets modern environmental standards for cleaner combustion.
  • ✅ User-Friendly Controls – Easy to operate and service with front access to components.
  • ✅ Quick Installation – Pre-plumbed and pre-wired to save on fitting time.

Why Choose this Grant Vortex Eco Model?

  • ✔️ Energy Efficient & Cost-Effective – Designed to minimise fuel consumption and running costs.
  • ✔️ Durable Build Quality – Manufactured with premium components for long-term reliability.
  • ✔️ Quiet Performance – Low operating noise makes it well suited to indoor installation.
  • ✔️ Future Ready – Compatible with HVO (Hydrotreated Vegetable Oil) biofuel blends.

This internal boiler is a great choice for homeowners seeking a compact, efficient, and eco-conscious heating solution.
Combined with our G1 accredited installation status and our HeatCover V4 plan
Grant Vortex Eco will give you many trouble-free years of service.

For full technical specifications, please visit the
official Grant UK Vortex Eco Internal 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 15–21 kW

Please note: This boiler is supplied with standard installation.
We only install boilers in the East Anglia region.
For standard installation criteria, please see our
Terms & Conditions

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