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TWPro MB - Single Wall to Twin Wall Increaser - Ø 125-150mm
Discover the TWPro MB Single Wall to Twin Wall Increaser by National Flues, a robust chimney adaptor designed to connect single wall flues to twin wall systems. This high-quality, CE marked and HETAS approved unit is perfect for woodstoves, oil boilers, gas appliances, and gas coal effect fires, mak... More...
Discover the TWPro MB Single Wall to Twin Wall Increaser by National Flues, a robust chimney adaptor designed to connect single wall flues to twin wall systems. This high-quality, CE marked and HETAS approved unit is perfect for woodstoves, oil boilers, gas appliances, and gas coal effect fires, making it an essential component of any modern flue installation. Enhance your chimney system with this reliable, durable, and efficient solution, and explore compatible accessories for a complete installation. Less...
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At a Glance
- Seamless transition from single wall to twin wall chimney systems
- Constructed from premium 304 and 316L stainless steel for long-lasting durability
- Fully welded design for a secure, robust installation
- HETAS approved and CE marked to meet the highest safety standards
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£24.99
Including VAT
Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.
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Please Note: All dimensions refer to the internal diameter of flues.
If unsure, please call 01670 206999 to ensure you choose the correct products.
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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.
The TWPro MB Single Wall to Twin Wall Increaser is engineered for optimal performance and reliability. This universal adaptor is perfect for connecting various appliances, including woodstoves, gas coal effect fires, oil boilers, and gas boilers, to a twin wall chimney system. The outer skin is crafted from durable 304 stainless steel with a high-temperature black finish, while the inner skin is made from 316-grade stainless steel.
The increaser also features rockwool insulation with a density of 200kg/m3, ensuring maximum thermal efficiency and safety. Impressively, all components are fully welded, guaranteeing a robust and secure installation. With HETAS approval and CE marking, this increaser meets the highest safety standards.
Installation is straightforward with the provided locking band, and it's essential to maintain a 50mm distance from combustible materials.
SKU: 37-125-002
Technical Specifications
SKU
37-125-002
Adaptor Type
Single Wall to Twin Wall Increaser
Flue Diameter
125-150mm
Outer Material
304 Stainless Steel with high-temperature black coating (0.40mm thick)
Inner Material
316L Stainless Steel (0.40mm thick)
Insulation
Rockwool, 200kg/mu00b3
Approvals
HETAS / CE
Minimum Clearance
50mm from combustibles
Installation Method
Locking band provided
Before installation, ensure that all components are inspected for any damage or defects. The TWPro MB Increaser comes with a locking band which must be securely fastened. Always maintain a minimum 50mm distance from combustible materials to ensure safety. Follow the manufacturer’s instructions carefully during installation, and verify that the adaptor is correctly aligned with both the single wall and twin wall systems. Suitable for use with woodstoves, oil boilers, gas boilers, and gas coal effect fires, this product is designed for straightforward installation. Should you require additional accessories such as extra insulation or specialised mounting hardware, we recommend checking our complete range to enhance your chimney setup.
The TWPro MB Increaser is suitable for a variety of appliances, including woodstoves, gas coal effect fires, oil boilers, and gas boilers.
The outer skin is made from 304 stainless steel with a high-temperature black finish, and the inner skin is made from 316-grade stainless steel. It also features rockwool insulation for added thermal efficiency.
Yes, the TWPro MB Increaser is HETAS approved and CE marked. It meets the highest safety standards and requires a 50mm distance from combustible materials during installation.
Installation is simple using the provided locking band. Ensure that the increaser is secured properly and that a 50mm distance is maintained from any combustible materials.
Yes, the TWPro MB Increaser is versatile and can be used with both solid fuel and gas/oil appliances.
The rockwool insulation, with a density of 200kg/m3, provides excellent thermal efficiency, ensuring that the heat is retained within the flue system and minimizing heat loss.
You can purchase the TWPro MB Increaser directly from National Flues. We offer secure online payments for retail customers and reliable delivery across the UK.
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...
Read our buyers guide for this TWPro MB - Single Wall to Twin Wall Increaser - Ø 125-150mm
TWPro MB Single Wall to Twin Wall Increaser Buyers Guide
The TWPro MB Single Wall to Twin Wall Increaser is a specially engineered solution aimed at providing a seamless transition for your chimney system. Whether you are upgrading your heating system or replacing an old adaptor, this product from National Flues is built to deliver reliability, performance, and safety.
Overview
This robust adaptor bridges the gap between a single wall flue and a twin wall chimney system, increasing the flue's diameter from 125mm to 150mm. Engineered from high-quality 304 stainless steel on the exterior and 316L stainless steel on the interior, its construction is not only durable but also designed to withstand high temperatures and harsh weather conditions. The product features rockwool insulation, boasting a density of 200kg/m³, ensuring optimal thermal efficiency. With approvals from HETAS and CE, you can use this increaser with confidence for a range of heating appliances, including woodstoves, gas boilers, oil boilers, and gas coal effect fires.
Key Benefits and Features
Seamless Transition: One of the standout features of this increaser is its ability to transition smoothly between different flue systems. The design guarantees that the connection between a single wall and a twin wall is secure and efficient, ensuring there are no abrupt changes or gaps that could lead to heat loss or safety concerns.
Durability and Reliability: Constructed from premium stainless steel varieties, the TWPro MB Increaser is built to last. The outer skin's high-temperature black coating not only adds an aesthetic appeal but also offers extra protection against external elements. This means that once installed, you can expect ongoing performance with minimal maintenance.
Energy Efficiency and Safety: The incorporation of rockwool insulation helps maintain consistent temperatures within the flue system by reducing heat loss. Moreover, maintaining a safe distance of at least 50mm from combustible materials further ensures that the functionality is not compromised by potential hazards. HETAS approved and CE marked, this product meets all UK safety regulations, providing assurance that your installation adheres to stringent quality standards.
Technical Specifications
Below are the technical details that make the TWPro MB Increaser a reliable and effective solution:
- Dimensions: Adapts flue diameter from 125mm to 150mm
- Materials: Outer skin of 304 Stainless Steel with high-temperature black finish; Inner skin of 316L Stainless Steel
- Insulation: Rockwool with a density of 200kg/m³ for improved thermal efficiency
- Certifications: HETAS and CE approved
- Installation Requirement: Minimum clearance of 50mm from combustible materials
Installation Instructions
Installing the TWPro MB Increaser is straightforward. Begin by ensuring all components are free from any manufacturing defects. The locking band provided should be securely fastened around the adaptor to stabilise the connection. It is crucial to maintain a minimum clearance of 50mm from any combustible materials, as recommended by the safety guidelines. As you install, verify that the transition between the single wall and twin wall parts is smooth and secure. For those who appreciate a comprehensive installation, opting to purchase additional accessories such as bespoke mounting hardware can further enhance ease of installation and long-term reliability.
Overcoming Common Objections
Worried about Compatibility? The TWPro MB Increaser is designed to work with a range of heating appliances including woodstoves, oil boilers, gas boilers, and even gas coal effect fires. Its universal design makes it a versatile option for a variety of settings, ensuring compatibility and safety.
Concerns about Longevity and Maintenance? With its superior construction and high-quality materials, this increaser is engineered to last, irrespective of the demands of your heating system. Regular maintenance is minimal, and should any issues arise, National Flues' dedicated customer service is readily available to offer advice and support.
Installation Complexity? While the installation process is straightforward, the product comes with clear, comprehensive instructions. Moreover, additional accessories to aid installation are available, providing extra assurance that the setup will be as smooth and error-free as possible.
Value for Money
Investing in the TWPro MB Single Wall to Twin Wall Increaser means investing in quality, efficiency, and safety. With competitive pricing and a design that caters to both novice installers and professionals, this product represents excellent value for money. It stands as a testament to National Flues’ commitment to providing reliable and cost-effective solutions. Not only does it enhance the performance of your flue system, but it also ensures that your heating appliance operates within optimal safety parameters.
Accessories and Additional Options
While the TWPro MB Increaser is a complete and efficient solution on its own, National Flues also offers a range of optional accessories to complement your system. Accessories such as additional insulation panels, specialized mounting brackets, and finishing kits are available to further optimise your installation. We encourage you to explore these options to create a fully customised and efficient chimney setup that meets your specific needs.
Final Thoughts
The TWPro MB Single Wall to Twin Wall Increaser is more than just a simple adaptor—it is an integral component that ensures your heating system functions at its best. With robust construction, excellent thermal efficiency, and assured safety credentials, it is the ideal choice for modern chimneys. For those seeking a reliable, efficient, and high-quality solution, this product is perfectly suited to enhance both performance and peace of mind.
Invest wisely in your heating system and enjoy years of reliable service. Add to cart now or call 01670 206 999.
National Flues Ltd Verdict
The TWPro MB Single Wall to Twin Wall Increaser is an exceptional choice for anyone looking to connect single-wall to twin-wall flues effortlessly. Crafted with durability and safety in mind, it is suitable for a variety of heating appliances. National Flues offer reliable delivery nationwide and cater to both retail and trade customers, making us your go-to supplier for all chimney and flue needs.
The TWPro MB Single Wall to Twin Wall Increaser is designed to connect single wall flues to twin wall chimney systems, ensuring a smooth transition and enhanced performance.
National Flues is a leading UK supplier of quality fireplaces and flues. We provide reliable and cost-effective solutions to both retail and trade customers, with a focus on durability, safety, and exceptional customer service.
Secure your TWPro MB Increaser now to ensure optimal performance and safety for your installation.