Connecting Pipe Starter Length 1000mm Ø 125
At a Glance
- Double-layer stainless steel construction (304 outer and 316 inner, both 0.4mm thick) for superior durability and high temperature resistance.
- Innovative rebated slip joint design allowing for up to 200mm of adjustment for flexible installations.
- Compliant with HETAS and CE standards, ensuring safety and regulatory adherence.
- Compressed rockwool insulation with a high density of 200kg/m³ for excellent thermal efficiency.
- Secure locking band mechanism and safe 50mm clearance from combustible materials, minimising installation risks.

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 Connecting Pipe Starter Length 1000mm Ø 125 is an essential component for your chimney flue system. Designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and boilers, this pipe ensures efficient and safe operation. Constructed with a robust 304 grade stainless steel outer skin and a durable 316 grade stainless steel inner skin, each 0.4mm thick, this pipe promises longevity and resistance to high temperatures.
The insulation is made of compressed rockwool with a high density of 200kg/m³, providing superior insulation. Fully welded for added reliability, the TWPro is HETAS Approved and CE marked, boasting designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20. Installation is straightforward with the locking band mechanism, ensuring a secure fit while maintaining a safe distance of 50mm from combustible materials.
This product allows for adjustments up to 200mm, making it highly adaptable for pre-installation and safe disconnection of the appliance without disturbing the flue system.
SKU: 2-125-021
Technical Specifications | |
---|---|
SKU | 2-125-021 |
Length | 1000mm |
Diameter | 125mm |
Outer Material | 304 Stainless Steel (0.4mm thick) |
Inner Material | 316 Stainless Steel (0.4mm thick) |
Insulation | Compressed Rockwool, 200kg/mu00b3 |
Adjustability | Up to 200mm via rebated slip joint |
Clearance Requirement | 50mm from combustibles |
Approvals | HETAS Approved, CE Marked |
Designations | EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 |
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
National Flues is proud to offer the Connecting Pipe Starter Length 1000mm Ø 125. Crafted from premium-grade stainless steel, this pipe ensures excellent performance and longevity for all solid fuel and gas/oil appliances. Enjoy secure online payments, fast and reliable nationwide delivery, and trade accounts tailored for our valued trade customers.
The Connecting Pipe Starter Length 1000mm Ø 125 is designed to connect a flue to solid fuel and gas/oil appliances, ensuring safe and efficient ventilation.
National Flues is a reputable supplier of high-quality fireplaces and flues, serving both retail and trade customers across the UK with competitive pricing and reliable delivery.
