TWPro GREY - Connecting Pipe Starter Length 1000mm - Ø 125
At a Glance
- - HETAS approved and CE marked for safety and compliance
- - Robust dual stainless steel construction (304 outer, 316 inner)
- - Rebatable slip joint offering up to 200mm adjustment
- - 0.4mm thick skins for durability at high temperatures
- - Compressed rockwool insulation (200kg/m³) for excellent thermal protection
- - Secure full welding and locking band installation for a reliable system

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 TWPro GREY Connecting Pipe Starter Length 1000mm - Ø 125 is designed to enhance the efficiency and safety of your chimney system. Suitable for solid fuel, gas, and oil appliances, including wood stoves and boilers, this top-tier connecting pipe ensures optimal performance. Constructed with a robust 304 grade stainless steel outer skin and a 316 grade stainless steel inner skin, this pipe is built to last.
Both skins are 0.4mm thick, ensuring durability and resistance to high temperatures. The insulation consists of compressed rockwool with a density of 200kg/m3, providing excellent thermal insulation. Full welding throughout guarantees a secure and reliable fit.
With a 50mm safety clearance from combustibles, you can install with peace of mind. This product meets all safety standards, being both HETAS approved and CE marked, with designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20. Installation is straightforward, utilizing a locking band for secure connections, and allowing for easy disconnection when needed.
SKU: 17-125-021
Technical Specifications | |
---|---|
SKU | 17-125-021 |
Length | 1000mm |
Diameter | 125mm |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Inner Material | 316 Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool, 200kg/m³ |
Safety Clearance | 50mm from combustibles |
Certifications | HETAS / CE |
Adjustability | Rebated slip joint adjustable up to 200mm |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 2nd. 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 TWPro GREY Connecting Pipe Starter Length 1000mm - Ø 125 is a top-notch choice for both retail and trade customers. With HETAS approval, robust construction, and easy installation, this product exemplifies our commitment to quality and reliability. Plus, we offer dependable nationwide delivery.
The TWPro GREY Connecting Pipe Starter Length 1000mm - Ø 125 is designed to efficiently connect solid fuel, gas, and oil appliances to the chimney system, ensuring optimal performance and safety.
National Flues is a leading supplier of high-quality fireplaces and flues, catering to both retail and trade customers. Our products are known for their reliability, safety, and excellent value, with nationwide delivery and competitive pricing.
