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National Flues provides a trusted range of high-quality flue solutions, and the KC Flat Increasing Adaptor Ø 125-Ø 150 stands out as an essential connector for woodstoves, oil boilers, and gas fires. This premium adaptor, built from robust stainless steel, seamlessly transitions appliance outlets into the KC system, ensuring safety, durability, and ease of installation. Ideal for the UK market and backed by HETAS and CE approvals, it is a reliable choice for both domestic and professional heating projects.
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£35.99
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At a Glance
Robust construction using 304-grade stainless steel for the outer skin and 316-grade stainless steel for the inner skin (each 0.40mm thick)
Compressed rockwool insulation with a density of 128kg/m3 for enhanced safety
HETAS and CE approved, ensuring compliance with rigorous UK safety standards
Designed for versatile use with woodstoves, gas fires, oil boilers, and low sulphur coal appliances
Ensures a secure 60mm clearance from combustibles, maximising safety
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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.
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 KC Flat Increasing Adaptor Ø 125-Ø 150 is engineered for exceptional performance and versatility. Perfect for use with solid fuel and gas/oil appliances such as woodstoves, gas fires, and oil boilers, this adaptor is designed to connect appliance outlets to KC increasing by 25mm. Built with 304 and 316-grade stainless steel, the outer and inner skins are 0.4mm thick, respectively, ensuring durability.
The compressed rockwool insulation boasts a density of 128kg/m3 for optimal safety and performance. The adaptor maintains a secure 60mm distance from combustibles, certified by its HETAS approval and CE marking. Easily installed using a Locking Band, it provides a secure and instant transition from your appliance or flue to the KC system.
Installation Steps:
• Ensure that the appliance outlet and the KC system connection point maintain a clear 60mm distance from any combustible materials.
• Use the provided locking band to secure the adaptor in place, confirming a tight and stable connection.
• Follow the product manual for detailed instructions and safety guidelines.
• Double-check all fittings for correct installation to avoid any potential hazards.
Caution: Always adhere to local building and safety regulations, and consider professional installation if unsure about any part of the process.
This adaptor is suitable for use with solid fuel and gas/oil appliances, including woodstoves, gas fires, oil boilers, and any other similar solid fuel appliances.
The outer skin is made of 304-grade stainless steel, and the inner skin is constructed from 316-grade stainless steel, both 0.4mm thick. The insulation is compressed rockwool with a density of 128kg/m3.
HETAS approval indicates that this adaptor meets high safety and performance standards for heating appliances and systems in the UK.
The adaptor is installed using a Locking Band to securely connect it to the KC system. Ensure a 60mm distance from any combustible material from the outer surface of the flue.
Yes, it can connect single wall flues or vitreous enamel to the KC system, providing flexibility in installation.
Ensure that there is a safe distance of 60mm from the outside of the flue to any combustible materials, such as wood or plasterboard, to prevent fire hazards.
Yes, given its robust stainless steel construction and high insulation standards, this adaptor is suitable for both indoor and outdoor installations.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 30th. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call.
If you need faster stove or fireplace delivery please also give us a call.
We can sometimes 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.
Comprehensive Buyers Guide for the KC Flat Increasing Adaptor Ø 125-Ø 150
When considering an upgrade or a new installation of your heating system, the choice of a reliable adaptor is critical for ensuring safety, efficiency, and longevity. The KC Flat Increasing Adaptor Ø 125-Ø 150, supplied by National Flues, is engineered to offer these benefits and much more. This guide explains everything you need to know before making your investment, helping you overcome doubts and make an informed decision.
Product Overview and Key Benefits
The KC Flat Increasing Adaptor is designed to provide a secure and efficient transition between your appliance outlet and the KC twin wall insulated chimney system. With robust construction featuring 304-grade stainless steel on the outside and 316-grade stainless steel on the inside, you are assured of dependable performance and resistance to corrosive elements. The adaptor’s construction not only ensures longevity but also provides a sleek and modern design that complements any heating appliance setup.
Why Material Quality Matters
One of the core strengths of the KC Flat Increasing Adaptor is its use of high-quality materials:
• Stainless Steel Durability: The outer 304-grade and inner 316-grade stainless steel plates, each 0.40mm thick, guarantee the adaptor will withstand the rigours of frequent heating cycles and maintain performance over many years.
• Enhanced Insulation: The inclusion of compressed rockwool at a density of 128kg/m3 plays a vital role in maintaining optimal thermal conditions, reducing the risk of overheating and fire hazards.
Safety First: Approvals and Installations Standards
Safety is paramount, especially when dealing with heating systems that operate at high temperatures:
• HETAS and CE Approvals: These marks are evidence that the adaptor meets stringent UK standards for safety and performance. This is particularly important for users who rely on their heating systems daily for comfort and security.
• Minimum Clearance Requirements: The adaptor is designed to maintain a minimum distance of 60mm from combustibles, preventing harmful heat transfer. It is crucial to adhere to this clearance during installation to ensure safe operation.
Versatility and Compatibility
The KC Flat Increasing Adaptor is ideal for various installations:
• Wide Appliance Compatibility: Whether you have a woodstove, oil boiler, gas fire, or even a system using low sulphur coal, this adaptor is designed to connect seamlessly, providing flexibility for different heating environments.
• Ease of Transition: Its flat design not only simplifies the connection between differing conduit types but also enhances space efficiency, making it a perfect choice for modern homes and commercial settings alike.
Installation Guidance: Step-by-Step
A smooth installation process is essential to maximise the adaptor’s performance:
1. Pre-Installation Checks: Before starting, review the installation guidelines provided by National Flues. Ensure you have all necessary components and the area is compliant with safety clearances.
2. Fitting the Adaptor: Utilize the locking band provided with the product to secure the adaptor into position. Ensure that all connections are tight and free from any possible air leaks.
3. Clearance Verification: Recheck that the installed adaptor maintains a safe 60mm distance from any combustible surfaces. This precaution is essential to reducing the risk of fire hazards.
4. Final Inspection: Once installed, conduct a thorough inspection of all fittings. If in doubt, it is recommended to have a professional review the installation to certify all safety parameters have been met.
Addressing Common Concerns and Objections
It is natural to have questions when investing in a critical component for your heating system. Below are some common queries and how they are addressed:
Is the product suitable for all types of heating systems?
Yes, the adaptor’s design is versatile enough to work with woodstoves, oil boilers, gas fires, and even systems using low sulphur coal. This universal compatibility means you do not need to invest in multiple adaptors for different appliances.
How does the adaptor ensure safety?
Safety is assured through several built-in features: the use of high-grade stainless steel for durability, a robust insulation system using rockwool, and compliance with industry standards for clearance and certification (HETAS/CE). These aspects work together to reduce risks associated with high-temperature operation.
Will the installation be complicated?
Not at all. The product is designed for straightforward installation. Clear instructions and a locking band system make installation quick and hassle-free. However, if you prefer professional assistance, our network of certified installers is available to ensure everything is set up perfectly.
What if I encounter problems during installation?
National Flues prides itself on outstanding customer service. Should any issues arise during installation, our dedicated support team is on hand to provide timely assistance and guidance, ensuring your experience remains positive.
Enhancing Your Heating System Overall
Investing in a high-quality adaptor not only guarantees immediate connectivity between your appliance and the chimney system but also contributes to the overall efficiency and safety of your heating setup. By reducing the likelihood of installation errors and ensuring that all components work harmoniously, the KC Flat Increasing Adaptor supports a long-lasting, reliable heating system that can offer both comfort and energy efficiency through the colder months.
Conclusion
Choosing the right adaptor is essential for both performance and safety in any heating installation. The KC Flat Increasing Adaptor Ø 125-Ø 150 from National Flues offers the perfect blend of quality, safety, and ease of use. Every aspect of its design, from the high-grade stainless steel construction to the rigorous safety approvals, has been carefully considered to provide you with a product that stands the test of time. Whether you are upgrading your current setup or installing a new system, this adaptor is engineered to deliver exceptional results with peace of mind. Experience the perfect connection and secure your heating environment with a product that meets your every need. Add to cart or call 01670 206 999.
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