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Joiner - Ø 125 (20-125-J)
National Flues proudly presents the Joiner Ø 125, a critical accessory for multi fuel flexible flue liner systems such as the MI-FLEX 316 and 904. Crafted from high-quality 316L stainless steel, this joiner serves as a reliable and durable connector, ensuring your chimney system is both efficient and compliant with Building Regulations Document J. Whether you require a flexible flue liner extension or a secure connection for wood, oil, gas, or smokeless coal appliances, the Joiner Ø 125 is engineered to meet a spectrum of installation demands. Explore our range of high performance, cost-effective flue accessories and enhance your chimney’s integrity today.
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In Stock
£21.49
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
["316L stainless steel construction for enhanced durability", "Handles temperatures up to 600u00b0C (T600) for versatile fuel applications", "Fully compliant with Building Regulations Document J and HETAS/CE standards", "Optimised for use with MI-FLEX 316 and 904 flexible flue liner systems", "Compatible with wood (<20% moisture), smokeless coal, oil, and gas appliances", "Ensures a seamless, secure connection when extending multi fuel flexible liners"]
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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.
The Joiner Ø 125 is an essential component in the MI-FLEX 316 and 904 multi fuel flexible flue liner systems. Crafted to seamlessly join two pieces of multi fuel liner, it is a critical part of any flexible flue installation. Building Regulations Document J emphasizes that flexible flue liners must be enclosed inside a masonry chimney, and our Joiner Ø 125 ensures compliance with this requirement.Designed for use with wood <20% moisture, smokeless coal, gas, and oil appliances, the Joiner Ø 125 can handle temperatures of up to 600°C (T600 designation), making it a versatile choice for various fuel types.
The accessory is particularly useful for extending the chimney liner when lengths exceed the maximum flex available. It's important to note that while it is ideal for multi fuel liners, it must not be used on gas liners.For optimal performance, the chimney system should be designed for easy maintenance and sweeping. Regular cleaning is crucial, with annual inspections recommended for all applications and twice-yearly sweeping for solid fuel appliances.
Always use HETAS registered sweeps and avoid chemical cleaners or mild steel tools to maintain the integrity of your stainless steel chimneys.
Features & Benefits
SKU: 20-125-J
Technical Specifications
SKU
20-125-J
Dimensions
u00d8 125 mm
Material
316L Stainless Steel
Temperature Rating
Up to 600u00b0C (T600 designation)
Fuel Compatibility
Wood (<20% moisture), Smokeless Coal, Oil, Gas
System
MI-FLEX 316 and 904 flexible flue liner systems
Certifications
HETAS / CE, compliant with Building Regulations Document J
Ensure that the Joiner Ø 125 is installed within a properly constructed masonry chimney as mandated by Building Regulations Document J. When installing, align the connector carefully with the flue liner sections to avoid misalignment that could impair performance. Always use the appropriate tools and HETAS registered sweepers during maintenance. Please note, this joiner must not be used for gas liners. Avoid chemical cleaners and mild steel tools on stainless steel components to prevent corrosion or other damage. For optimal performance, follow the manufacturer’s guidelines and have your chimney system professionally inspected annually, with solid fuel appliances swept at least twice a year.
No, the Joiner Ø 125 must not be used on gas liners. It is specifically designed for multi fuel flexible flue liners.
The Joiner Ø 125 is suitable for use with wood <20% moisture, smokeless coal, gas, and oil appliances.
Yes, the Joiner Ø 125 complies with Building Regulations Document J, which requires that flexible flue liners be enclosed inside a masonry chimney.
The Joiner Ø 125 can handle temperatures up to 600°C (T600 designation).
Chimneys serving solid fuel appliances should be swept at least twice a year. Annual inspections are recommended for all applications to ensure optimal performance and safety.
No, under no circumstances should chemical cleaners or mild steel tools be used to sweep stainless steel chimneys. Always use appropriate tools and professional services.
A list of HETAS registered sweeps can be found at www.hetas.co.uk. It is crucial to use competent professionals for chimney sweeping.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 30th.
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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.
The Joiner Ø 125 is an essential component in the modern flexible chimney systems offered by National Flues. Carefully designed and manufactured to meet the demanding needs of multi fuel applications, this accessory is ideal for anyone looking to extend their flue liner seamlessly. Below, we have provided a detailed guide to help you understand its features, installation process, and overall benefits, ensuring you make a well-informed purchase.
Understanding the Product
The Joiner Ø 125 is made from high-grade 316L stainless steel. This material not only guarantees durability but also excellent resistance to the high temperatures generated by appliances using wood (with less than 20% moisture), smokeless coal, oil, and gas. Engineered to operate efficiently up to 600°C, it is suited to both residential and commercial installations where safety and performance are of paramount importance. Its design ensures a seamless connection between sections of the flexible flue liner, which is crucial when the available liner length is insufficient to cover the required span from the appliance to the chimney top.
Key Features and Their Benefits
- Durable Material: The use of 316L stainless steel means the joint is both corrosion-resistant and robust, ensuring longevity even in challenging environments.
- High Temperature Performance: With a temperature rating of up to 600°C, the joiner provides safe operation under intense heat conditions, protecting your installation from potential heat-related failures.
- Building Regulations Compliance: Its conformity with Building Regulations Document J ensures that the entire chimney system is safe and legally compliant, helping to avoid costly legal issues and ensuring peace of mind.
- Versatile Fuel Compatibility: Whether you use wood, smokeless coal, oil, or gas appliances, the joiner adapts to various fuel types effectively, thus enhancing the flexibility of your system.
- Precision Fit for MI-FLEX Systems: Specifically built for MI-FLEX 316 and 904 systems, it ensures a precise connection, making it easier to achieve optimal performance and maintain the integrity of your chimney system.
Installation Guidelines
Installing the Joiner Ø 125 should be approached with care. The connector is designed for use within a masonry chimney in accordance with stringent regulatory standards. Ensure you are experienced with flue system installations, or hire a qualified professional to perform the work. When assembling the liner sections, observe proper alignment to maintain a continuous and secure pathway for exhaust. Misalignment could result in inefficiencies or even potential hazards. Additionally, make certain that all components align correctly and verify that no gaps exist between the joiner and the liner sections. Remember that this joiner is not suitable for gas liners, so check compatibility strictly before proceeding. Always avoid using chemical cleaners or inappropriate tools like mild steel instruments on the stainless steel components to reduce the risk of corrosion.
Maintenance and Safety Considerations
Maintenance is key to ensuring the long life of your flexible flue system. Although the Joiner Ø 125 is built to last, regular inspections and cleaning are recommended. For solid fuel appliances, the chimney should be swept at least twice a year. Even if using oil or gas appliances, an annual professional inspection is advisable to avoid any build-up that could impair the system's functionality. Always consider using a HETAS registered sweep for cleaning. This not only ensures that the proper procedures are followed but also guarantees that the maintenance is carried out safely and thoroughly.
Addressing Common Objections
One common objection is the cost of quality accessories. However, investing in a reliable joiner such as the Ø 125 can lead to significant long-term savings by reducing the need for frequent repairs and ensuring compliance with safety regulations. Some customers may also be concerned about installation difficulties. It is important to understand that, while the installation requires careful attention to detail, following the detailed guidelines or seeking professional help will ensure a secure and effective setup. Lastly, questions might arise about compatibility with various appliances. The Joiner Ø 125 has been meticulously engineered to work with a wide range of fuel types, provided that it is paired with a suitable multi fuel flexible liner system.
Why Choose National Flues?
National Flues is synonymous with reliability and quality in the industry. Our product range is designed not just to meet but exceed safety and performance standards, making us the preferred choice for trade professionals and retail customers alike. With our competitive pricing and commitment to customer satisfaction, choosing the Joiner Ø 125 means you are opting for excellence. We not only provide a product but also stand behind it with expert advice and support, ensuring that your chimney system operates at its best.
Final Thoughts
In summary, the Joiner Ø 125 is a must-have accessory for anyone looking to build or extend a multi fuel flexible flue system. Its robust construction, high temperature tolerance, and strict adherence to building regulations set it apart in terms of both reliability and performance. Whether you are upgrading an existing system or installing a new one, this joiner ensures that your chimney remains efficient, safe, and compliant with industry standards.
Add to cart now or call 01670 206 999.
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