TWPro MB - Pipe 500mm Door (Non-condensing) - Ø 125
At a Glance
- - Durable 500mm pipe with convenient door for cleaning access
- - Constructed from 316L stainless steel interior and 304 stainless steel outer (0.40mm thick) with a high-temperature black coating
- - HETAS approved and CE marked for safety and reliability
- - Compatible with wood stoves, gas boilers, oil boilers, and low-sulphur coal appliances
- - Insulated with compressed rockwool (200kg/m³) for superior thermal efficiency
- - Secure locking band and clamps ensure a robust connection and safe installation

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 MB 500mm Pipe with Door (Non-condensing) - Ø 125mm is a durable and versatile addition to your chimney system. Specifically designed for solid fuel, gas, and oil appliances such as wood stoves, gas coal effect fires, oil boilers, and gas boilers, this pipe provides exceptional performance and safety.Crafted with precision, the outer skin is constructed from 304 stainless steel with a 0.4mm thickness, coated in a high-temperature black finish. The inner skin features 316 grade stainless steel, also with a 0.4mm thickness.
The insulation is made of compressed rockwool with a density of 200kg/m3, ensuring outstanding thermal efficiency. All components are fully welded for enhanced durability.The TWPro MB pipe is HETAS approved and CE marked, meeting the highest safety standards. It carries the designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.
When installing, maintain a minimum distance of 50mm from the outside of the flue to any combustible materials such as wood or plasterboard.For installation, the pipe segments are securely connected using the supplied locking band, ensuring a safe and efficient setup. Access for sweeping is built into the pipe, featuring an inner door and an outer cover door with locking clamps for easy and direct cleaning access.
SKU: 37-125-023
Technical Specifications | |
---|---|
Designation | EN1856-1 T600 N1 W V2 L50040 G50 / EN1856-1 T200 P1 W V2 L50040 O20 |
Inner Material | 316L Stainless Steel (0.40mm) |
Outer Material | 304 Stainless Steel with high temperature black coating (0.40mm) |
Insulation | Compressed rockwool (200kg/mu00b3) |
Compatibility | Wood, Oil, Gas, Low sulphur coal appliances |
Clearance | 50mm from combustibles |
Swept Access | Integrated inner door and outer cover with locking clamps |
Approval | HETAS approved / CE marked |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. 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
The TWPro MB 500mm Pipe with Door stands out for its high-quality construction and versatility. Compatible with various fuel types, this product is HETAS approved and CE marked, ensuring top-notch safety and performance. Ideal for both retail and trade customers, National Flues offers reliable nationwide delivery.
The TWPro MB 500mm Pipe with Door is designed to facilitate sweeping and maintenance while ensuring safe and efficient operation of solid fuel, gas, and oil appliances.
TWPro specializes in high-quality chimney flue systems, providing robust and reliable solutions for both residential and commercial applications. Their products are known for their durability, compliance with safety standards, and ease of installation.
