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Long Retro Fit Base Support Ø 100 (15-100-161)

National Flues presents the Long Retro Fit Base Support Ø 100 – a premium solution for bolstering your chimney flue installations. Optimised for wood stoves, oil and gas boilers, this adaptable retrofit support is a must-have for ensuring efficient, safe, and high-performing systems. Enhance your flue’s performance with a product that stands for quality, reliability, and value.
The price you pay today £149.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.

 

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At a Glance

    HETAS approved and CE marked for quality and safety
    Adjustable support range from 120mm to 375mm
    Robust construction with 316L and 304 Stainless Steel
    Suitable for solid fuel and gas/oil appliances including wood stoves and boilers
    Supports chimney lengths up to 9 metres
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

Warranty & Returns +

All our products come with warranties and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Price Match Guarantee +

We will match any price, like-for-like, on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

We Won't Be Beaten On Price

At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
  • Operational Efficiency: We have streamlined processes to reduce overhead.

Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

Have Questions?
Phone: 01670 206999
Email: [email protected]

The Long Retro Fit Base Support Ø 100 is an essential component for solid fuel and gas/oil appliances such as wood stoves, gas coal effect fires, oil and gas boilers, and other solid fuel appliances. This product is HETAS approved and CE marked, providing top-notch safety and quality. The designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 ensure compliance with high standards.

Designed to be used with TWPro Twin Wall Insulated Chimney parts, this base support is easy to secure with a Locking Band. Maintain a 50mm distance from any combustible material. Adjustable from 120mm to 375mm and suitable for up to 9 metres of chimney, this sturdy support is perfect for single or two-storey homes.

SKU: 15-100-161

Technical Specifications
SKU15-100-161
DesignationEN1856-1 T600 N1 W V2 L50040 G50 / EN1856-1 T200 W V2 L50040 O20
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick)
Fuel CompatibilityWood, Oil, Gas, Low sulphur coal
ApprovalsHETAS, CE
Clearance From Combustibles50mm
Adjustable Range120mm to 375mm
Chimney Support LengthUp to 9 metres
• Ensure that the chimney flue is at least 50mm away from any combustible materials before installation. • Position the base support directly beneath the 90° or 135° tee to guarantee optimal alignment and stability. • Secure the support using the recommended fixings and a Locking Band to prevent movement. • If acting as a load-bearing support for longer flue runs, double-check that the support is level and firmly attached to the wall. • Always consult a professional if unsure about any installation steps or local building regulations.

Yes, it is suitable for solid fuel and gas/oil appliances including wood stoves, gas coal effect fires, and oil and gas boilers.

Absolutely, the Long Retro Fit Base Support Ø 100 is HETAS approved and CE marked for quality and safety.

It is adjustable from 120mm to 375mm from the wall.

One support is usually enough for standard single or two-storey homes, supporting up to 9 metres of chimney immediately above the tee.

Yes, the Retrofit Base Support is designed for easy installation and can be retrofitted to make installation simpler.

Ensure a 50mm distance from the outside of the flue to any combustible materials like wood or plasterboard.

Only recommended fixings should be used to guarantee safety and secure installation.

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