Increaser 2 diameters - Ø 600
At a Glance
- Premium 316L stainless steel construction
- Modular design for versatile applications
- CE marked and European compliant
- Suitable for both condensing and non-condensing systems
- Quick push-fit installation with secure locking band

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 Increaser 2 diameters - Ø 600 is a high-quality, modular single wall flue system component made from premium 316L grade stainless steel, ensuring durability and long-lasting performance. Ideal for both high and low-temperature applications, this increaser is suitable for non-condensing and condensing setups involving positive and negative pressure flue gasses. It serves excellently in various systems, including boilers, ovens, and as a liner for chimney shafts.
This versatile piece is CE marked, confirming its compliance with rigorous European standards. Easy to install with a push fit jointing system and secure locking band, the Increaser 2 diameters - Ø 600 guarantees a reliable and efficient flue system setup. Note: ensure a 50mm gap from any combustible materials during installation for safety.
SKU: 3-600-102
Technical Specifications | |
---|---|
Material | 316L Stainless Steel |
Diameter | u00d8 600 |
Compliance | CE Marked |
System | SWPro |
Installation Gap | 50mm from combustibles |
Warranty | 10 Years |
Application | Boilers, Ovens, Chimney Liners, etc. |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 29th. 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 Increaser 2 Diameters - Ø 600 is an outstanding addition to any flue system. Known for its resilience and versatility, this product is perfect for a broad range of applications. With National Flues, expect reliable delivery and competitive pricing. Serving both retail and trade customers across the UK.
The Increaser 2 Diameters - Ø 600 is designed for increasing the diameter of existing flue systems to ensure compatibility with larger flue components.
National Flues is a trusted supplier of high-quality fireplaces and flues across the UK, renowned for unbeatable prices, reliable delivery, and excellent service to both retail and trade customers.
