Adjustable Pipe 800-1300mm Ø 125
At a Glance
- - Adjustable length from 800mm to 1300mm for a perfect fit
- - Outer layer of 304 grade and inner layer of 316 grade stainless steel (0.4mm thick)
- - High-density compressed rockwool insulation (200kg/m³) for excellent thermal efficiency
- - Fully welded construction with HETAS and CE certifications
- - Simple screw-free installation using a locking band

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 Adjustable Pipe 800-1300mm Ø 125 is thoughtfully designed for optimal performance with various solid fuel, gas, and oil appliances. Whether you're installing wood stoves, gas coal effect fires, or boilers, this pipe offers unmatched reliability. Crafted with precision, it features an outer skin made from 304 grade stainless steel and an inner skin of 316 grade stainless steel, both being 0.4mm thick.
The robust insulation consists of compressed rockwool, ensuring a density of 200kg/m3. Remarkably, all components are fully welded for enhanced durability. With a safe distance requirement of 50mm to combustible materials, this product meets rigorous safety standards.
It is HETAS approved and CE marked with the designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20, affirming its compliance with European regulations. Installation is made seamless with the use of a Locking Band, eliminating the need for screws, and the adjustable length allows for a precise fit.
SKU: 2-125-017
Technical Specifications | |
---|---|
Length Range | 800mm - 1300mm |
Pipe Diameter | 125mm |
Inner Material | 316L Stainless Steel (0.4mm thick) |
Outer Material | 304 Stainless Steel (0.4mm thick) |
Insulation | Compressed Rockwool (200kg/mu00b3) |
Certifications | HETAS / CE |
Safe Distance | 50mm |
Installation | Locking band for screw-free assembly |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. 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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
At National Flues, we proudly present the Adjustable Chimney Flue Pipe 800-1300mm Ø 125. This versatile, high-quality product is ideal for a range of appliances and backed by HETAS approval. With our unparalleled prices and dependable nationwide delivery, retailers and tradespeople alike can trust us for their flue needs.
This adjustable flue pipe is designed for safe and efficient venting of combustion gases from solid fuel, gas, and oil appliances.
National Flues is a premier supplier of fireplaces and flues to both retail and trade customers across the UK. With a commitment to quality, competitive pricing, and reliable delivery, we are a trusted partner in the industry.
