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MPN: X200M

Estimated Delivery: 3 - 5 Working Days

Grant Round Low Level Balanced Flue Extension 450mm

Grant Round Low Level Balanced Flue Extension 450mm


Regular price £116.81 Excl. VAT
£140.17 Incl. VAT
Sale price £116.81 Excl. VAT
£140.17 Incl. VAT
Regular price
*For business & Trade Accounts only.
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Key Information

Product Information

Grant Round Low Level Balanced Flue Extension 450mm

The Grant Round Low Level Balanced Flue Extension 450mm X200M is designed to make the installation of compatible Grant boilers quicker and easier. As part of the Grant Yellow System Round Low Level Balanced Flue range, it is built to provide reliable performance even in exposed installation conditions. With its practical design and quick-fit connection system, the extension helps installers achieve a secure flue connection with minimal installation effort. It is suitable for horizontal flue applications and provides additional flexibility when a longer flue run is required.

Quick and Simple Installation

The Yellow System round low-level flue components feature self-sealing ducts, meaning no silicone or tape is required at the joints. The unique quick-fit connection arrangement is designed to create a secure seal, while the telescopic flue system requires just two simple operations to complete the installation. This design helps reduce installation time and provides a straightforward solution for heating engineers working with compatible Grant boilers.

450mm Extension Length

This extension provides an additional 450mm of flue length and is designed for horizontal use. It offers a practical way to extend a compatible low-level balanced flue installation while maintaining the benefits of the Yellow System's quick-fit design. The extension cannot be cut, so the supplied length should be considered when planning the flue installation.

Compatibility and Installation Requirements

The Grant Yellow System Round Low Level Balanced Flue Extension is compatible with Grant boilers, except External Modules. It is intended for horizontal applications only and must not be used vertically with green, orange, red or white system components. These installation restrictions are important to ensure the flue system is configured correctly and operates as intended.

Key Features

  • 450mm low-level balanced flue extension
  • Part of the Grant Yellow System
  • Designed for quick and simple installation
  • Self-sealing ducts require no silicone or tape at the joints
  • Unique quick-fit connection arrangement
  • Telescopic flue system requires only two simple installation operations
  • Suitable for horizontal flue applications only
  • Cannot be cut to length
  • Compatible with Grant boilers except External Modules
  • Designed to provide reliable operation, including in exposed site conditions
  • Cannot be used vertically with green, orange, red or white system components

Frequently Asked Questions

What is the length of the Grant Round Low Level Balanced Flue Extension?

The extension is 450mm long and is designed to provide additional length for compatible horizontal low-level balanced flue installations.

Can the Grant Yellow System extension be cut to size?

No. The 450mm extension cannot be cut. The flue installation should therefore be planned using the supplied extension length and the other compatible system components.

Can this extension be used vertically?

No. The Grant Yellow System extension is designed for horizontal use only. It must not be used vertically with green, orange, red or white system components. It is also compatible with Grant boilers except External Modules.

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 Round Low Level Balanced Flue Extension 450mm

£116.81

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.