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MPN: EXTK32225/200

Estimated Delivery: 3 - 5 Working Days

Grant High Level Internal Extension 225mm 90/200 White

Grant High Level Internal Extension 225mm 90/200 White


Regular price £102.58 Excl. VAT
£123.10 Incl. VAT
Sale price £102.58 Excl. VAT
£123.10 Incl. VAT
Regular price
*For business & Trade Accounts only.
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Key Information

Product Information

Grant High Level Internal Extension 225mm 90/200 White

The Grant High Level Internal Extension 225mm 90/200 White is designed to provide additional flue length for compatible Grant internal boiler installations. As part of the Grant White System, this extension offers a practical solution where extra length is required as part of a high-level or vertical flue arrangement. With a 225mm length, the extension is designed for use with compatible models in the 26-70kW output range. It is intended specifically for high-level, vertical and Red System internal applications.

Designed for Flexible Flue Installations

This Grant extension provides a straightforward way to increase the length of a compatible flue system. Its 225mm size makes it useful where a relatively short additional section is required during installation. The extension is designed for internal use only and can be incorporated into high-level and vertical flue arrangements where compatible with the boiler and existing Grant White System components.

Compatibility

The Grant White System Extension 225mm 26-70kW, reference EXTK32225/200, is suitable for compatible Grant boiler models with outputs from 26kW up to 70kW. Installers should ensure that the extension is matched with the correct flue system and boiler output before installation.

Key Features

  • 225mm extension length
  • White System finish
  • Suitable for compatible Grant models from 26-70kW
  • Designed for high-level internal flue installations
  • Suitable for vertical internal flue applications
  • For Red System internal use only
  • Provides additional length for compatible Grant flue systems
  • Product reference: EXTK32225/200

Frequently Asked Questions

What is the length of the Grant High Level Internal Extension?

The Grant High Level Internal Extension has a length of 225mm, providing a practical additional section for compatible flue installations.

Which boiler outputs is this extension suitable for?

This particular 90/200 White System extension is suitable for compatible Grant boiler models in the 26-70kW output range.

Where can the Grant 225mm extension be used?

The extension is designed for internal high-level, vertical and Red System applications. It should be used only with compatible Grant flue components and installed according to the manufacturer's requirements.

Why Choose Us

At JJ Building Materials, we're committed to supplying quality building products at competitive prices, backed by the service and expertise you'd expect from an established independent merchant. Whether you're a trade professional managing large-scale projects or a homeowner taking on a DIY renovation, we're here to help you find the right products for the job.

As part of the JJ Roofing Supplies Group, we build on decades of experience supplying construction materials across the UK. We've expanded beyond roofing to offer a growing range of building materials, including timber, insulation, landscaping products, plumbing supplies, flooring, doors, bricks, fencing, garden buildings and much more – all available to order online with nationwide delivery.

We work with many of the industry's leading manufacturers to bring you trusted products that meet the highest standards of quality and performance. Our team is passionate about providing excellent customer service, competitive pricing and a straightforward shopping experience from start to finish.

When you shop with JJ Building Materials, you can expect:

  • Competitive prices on leading brands and quality products.
  • Nationwide delivery across the UK
  • A constantly expanding range of building and landscaping materials.
  • Friendly, knowledgeable customer support.
  • A trusted business backed by the JJ Roofing Supplies Group.

Delivery

Every order is personally reviewed by our experienced team to ensure everything is correct before dispatch. We offer delivery from as little as the next working day on selected products, so please refer to the dark blue Estimated Delivery box above for the expected delivery timeframe for this item.

We work with trusted manufacturers and specialist delivery partners to ensure your order arrives safely and on time. You'll receive tracking details once your order has been dispatched, and if we need to confirm any delivery details, one of our team will contact you directly to keep everything running smoothly.

Roof Tiles & Fittings:

We recommend ordering an additional 10% of roof tiles to allow for any breakages that may occur during delivery or handling. Roof tiles are naturally fragile, and having a few extra on site helps prevent delays and ensures your roofing project can be completed without interruption.

Multiple Products from the Same Supplier

If you're ordering multiple products from the same supplier, your order will be dispatched together once all items are ready. This means the longest lead time will apply.

If you need part of your order sooner, please call us on 01202 113233. We can arrange a split delivery, although an additional shipping charge will apply.

Grant High Level Internal Extension 225mm 90/200 White

£102.58

Can I collect this product from a local branch?

Absolutely. Check availability at your nearest branch during checkout or contact us directly.

Do you offer bulk pricing or trade discounts?

Yes, we offer competitive rates for trade customers and bulk orders. Contact our team for a tailored quote.

What if the product arrives damaged?

Please notify us within 48 hours of delivery. We’ll arrange a prompt replacement or refund as needed.

How fast is the delivery time?

Most items are delivered within 2–5 working days, depending on stock and location. Some products may take longer times.

What is the Return Policy?

We accept most returns within 14 days of delivery, provided the items are unused, in their original packaging, and in resalable condition. Please contact our customer service team to arrange a return or discuss any concerns.