Long Retro Fit Base Support Ø 150
At a Glance
- Adjustable from 120mm to 375mm Suitable for solid fuel, gas, and oil appliances HETAS approved and CE marked Secure Locking Band installation Supports up to 9 metres of chimney load Constructed with high-quality 316L and 304 stainless steel Versatile design for both single and two-storey installations

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]
- Info
- Specs
- Install
- FAQs
The Long Retro Fit Base Support Ø 150 is an essential component for your twin wall insulated chimney system, designed for both solid fuel and gas/oil appliances such as wood stoves, gas coal effect fires, and oil and gas boilers. This support bracket is adjustable from 120mm to 375mm, making it versatile enough to be used in conjunction with 90° or 135° tees when fitted directly above. It can also serve as a load-bearing intermediate support for longer flue runs.
This support bracket ensures a secure installation by using a Locking Band to connect chimney parts. With approvals from HETAS and CE marking, you can trust its quality and safety. Make sure to maintain a 50mm distance from the outside of the flue to any combustible material for safe operation.
SKU: 15-150-161
Technical Specifications | |
---|---|
SKU | 15-150-161 |
Product Name | Long Retro Fit Base Support u00d8 150 |
Adjustability | 120mm to 375mm |
Approvals | HETAS / CE |
Load Support Maximum Distance | 9 Metres |
Combustible Clearance | 50mm |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Compatible Fuels | Wood, Oil, Gas, Low Sulpher Coal |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. If you need faster stove or fireplace delivery please give us a call. We can often 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. Mi-Flex offers a lifetime guarantee. 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. If you find it cheaper within 48 hours, we'll refund the difference.
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National Flues Ltd Verdict
The Long Retro Fit Base Support Ø 150 is a versatile and adjustable support solution ideal for both residential and commercial applications. At National Flues, we take pride in offering products that are rarely beaten on price and provide reliable delivery nationwide. Serving both retail and trade customers, we make sure you have the best support for your chimney installations.
The Long Retro Fit Base Support Ø 150 is designed to securely hold and support twin wall insulated chimney systems, aiding in the efficient and safe operation of solid fuel and gas appliances.
National Flues is a leading supplier of high-quality fireplaces and flues across the UK, known for their unbeatable prices and reliable nationwide delivery. Catering to both retail and trade customers, National Flues offers a wide range of products and exemplary customer service.
