TWPro MB - Single Wall to Twin Wall Increaser - Ø 150-175mm
At a Glance
- High-quality 316L inner and 304 outer stainless steel construction
- Fully welded, robust 0.4mm thickness for durability
- Tapered design expands by 25mm for a seamless transition
- HETAS approved and CE marked for safety compliance
- Insulated with compressed rockwool (200kg/m³) ensuring a 50mm clearance from combustibles
- Versatile for wood, 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: [email protected]
- Info
- Specs
- Install
- FAQs
The TWPro MB Single Wall to Twin Wall Increaser (Ø 150-175mm) is an essential component for connecting flue systems across diverse heating appliances, including wood stoves, gas coal effect fires, oil boilers, and more. Engineered for superior performance, this universal adaptor ensures a smooth transition from single wall to twin wall flue systems, expanding by 25mm with its tapered design. The outer skin, constructed from robust 304 stainless steel and finished in a high-temperature black coating, offers both durability and aesthetic appeal.
The inner skin features 316 grade stainless steel for enhanced corrosion resistance, while the 0.4mm thickness and fully welded seams guarantee longevity and reliability. Insulated with compressed rockwool at a density of 200kg/m3, it maintains a safe 50mm distance to combustible materials, ensuring secure installation. Approved by HETAS and CE marked, it meets rigorous standards of excellence with designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.
Installation is straightforward, with parts secured using a supplied locking band to maintain the necessary 50mm clearance from combustible surfaces.
SKU: 37-150-002
| SKU | 37-150-002 |
|---|---|
| Item | TWPro MB - Single Wall to Twin Wall Increaser - u00d8 150-175mm |
| Designation: | EN1856-1 T600 N1 W V2 L50040 G50 |
| EN1856-1 T200 P1 W V2 L50040 020 | |
| System: | TWPro Black |
| Inner Material: | 316L Stainless Steel - 0.40mm thick |
| Outer Material: | 304 Stainless Steel - 0.40mm thick - High Temperature Black Coated |
| Fuels: | Wood, Oil, Gas, Low sulpher coal |
| Approvals: | HETAS / CE |
| Distance To Combustibles: | 50mm |
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The TWPro MB Single Wall to Twin Wall Increaser is a top-tier solution, designed for seamless flue connections. Fully HETAS approved and boasting high-temperature durability, it's perfect for various fuel types. Available nationwide through National Flues, we cater to both retail and trade customers with reliable delivery and competitive prices.
The TWPro MB Single Wall to Twin Wall Increaser is designed to connect single wall flue systems or vitreous enamel pipes to twin wall systems, ensuring a seamless and efficient transition in heating appliance installations.
National Flues specializes in high-quality flues and fireplaces, serving both retail and trade customers across the UK. Renowned for competitive pricing and reliable delivery, National Flues is committed to providing superior products and exceptional customer service.
