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KC - Flat Adaptor - Ø 125 (10-125-005)

National Flues proudly offers the KC Flat Adaptor Ø 125 – a reliable and versatile solution designed for secure, efficient connectivity between your appliance and the KC Twin Wall chimney system. Ideal for woodstoves, gas appliances, oil boilers, and other solid fuel systems, this adaptor assures high performance and safety with its robust stainless steel construction and superior insulation. Complement your installation with our optional accessories for a fully integrated chimney system.
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£23.49
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At a Glance

  • Flat design ensures minimal length and efficient installation
  • Constructed with 304 grade stainless steel outer skin and 316L stainless steel inner skin (each 0.40mm thick)
  • Compressed rockwool insulation with a density of 128kg/m3 for excellent thermal performance
  • HETAS approved and CE marked for safety and regulatory compliance
  • Designed to maintain a safe 60mm distance from combustible materials

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]

The KC Flat Adaptor Ø 125 is engineered to provide a seamless connection between your appliance outlet and the KC Twin Wall chimney system. Featuring a flat design, this adaptor ensures an efficient transition from the appliance or single-wall connecting flue to the KC system in the shortest possible length. Constructed with high-quality 304 grade stainless steel for the outer skin and 316 grade stainless steel for the inner skin, both with a thickness of 0.4mm, this adaptor offers durability and resistance to high temperatures.

The insulation is made of compressed rockwool with a density of 128kg/m3, delivering excellent thermal performance. It meets stringent safety standards with HETAS approval and CE marking, and the KC system’s parts are fully welded and secured using a Locking Band. Ensure you maintain a 60mm distance from combustibles during installation for safe use.

SKU: 10-125-005

Technical Specifications
SKU10-125-005
Product NameKC Flat Adaptor - u00d8 125
Outer Material304 Stainless Steel, 0.40mm thick
Inner Material316L Stainless Steel, 0.40mm thick
InsulationCompressed Rockwool, 128kg/m3
ApprovalsHETAS, CE
Minimum Distance60mm from combustibles
Warranty12 Years
• Ensure all surfaces are clean before beginning the installation process. • The adaptor must be securely connected using a Locking Band to provide a robust, leak-proof connection between your appliance outlet and the KC Twin Wall system. • Maintain a minimum clearance of 60mm from any combustible materials during installation. • Follow detailed installation guidelines provided in the manual and adhere to local building regulations. • For complex installations or if you have any doubts, consult a certified professional to ensure optimal performance and safety.

The KC Flat Adaptor Ø 125 can be used with woodstoves, gas coal effect fires, oil boilers, and other solid fuel appliances.

The outer skin is made from 304 grade stainless steel, and the inner skin is made from 316 grade stainless steel, both 0.4mm thick, with compressed rockwool insulation.

The insulation used in the KC Flat Adaptor Ø 125 has a density of 128kg/m3.

Yes, the KC Flat Adaptor Ø 125 is HETAS approved and CE marked for quality and safety.

The KC Twin Wall Insulated Chimney parts, including the adaptor, are secured together using a Locking Band and should maintain a 60mm distance from any combustible materials.

Ensure a minimum distance of 60mm from the adaptor's outer skin to any combustible materials to ensure safe use.

The KC Flat Adaptor Ø 125 is rated for high temperature applications, suitable for both solid fuel and gas/oil appliances.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, May 1st. 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.

Read our review in our KC - Flat Adaptor - Ø 125 buyers guide

Order now for reliable performance and a safe, streamlined connection.

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