Wall Sleeve 45° Adjustable - Ø 125 (15-125-100)
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Fast deliveryMonday, November 17th*
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Best PriceCall us to beat any price you found online.
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At a Glance
- 45° adjustable design for flexible installation
- Dual stainless steel layers (304 outer, 316 inner; both 0.4mm thick) for enhanced durability
- Compressed rockwool insulation (200kg/m³ TWPro / 128kg/m³) for superior thermal protection
- HETAS approved and CE marked to meet safety standards
- Versatile: suitable for wood stoves, gas, oil, and low sulphur coal appliances
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: sales@nationalflues.com
- Details
- Specs
- Install/Packs
- FAQs
The Wall Sleeve 45° Adjustable - Ø 125 is designed for chimney systems used with solid fuel and gas/oil appliances, such as wood stoves, gas coal effect fires, and oil and gas boilers. Constructed with a 304 grade stainless steel outer skin and a 316 grade stainless steel inner skin, both 0.4mm thick, this wall sleeve is built for durability and efficiency. The insulation consists of compressed rockwool with a density of 200kg/m³ TWPro / 128kg/m³, ensuring excellent thermal protection.
Fully welded parts guarantee a robust build, and the product is HETAS approved and CE marked. When installing, secure the parts using a Locking Band and maintain the recommended distance from any combustible materials. This adjustable wall sleeve, pre-cut at 45°, allows easy manual extension within the wall, making installation more flexible and straightforward.
SKU: 15-125-100
Delivery Information* +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.
About National Flues Ltd +
We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.
This is us — real advice over the phone, or at the counter, and real stock in our warehouse.
| Technical Specifications | |
|---|---|
| SKU | 15-125-100 |
| Materials | 304 Stainless Steel outer / 316 Stainless Steel inner; both 0.4mm thick |
| Insulation | Compressed rockwool (200kg/m³ TWPro / 128kg/m³) |
| Approvals | HETAS / CE |
| Distance To Combustibles | TWPro: 50mm; KC: 60mm |
| Suitable Fuels | Wood, Oil, Gas, Low sulphur coal |
| Dimensions | Ø 125, Pre-cut 45° Adjustable Wall Sleeve |
| Installation Accessory | Locking Band required |