Increaser 2 diameters - Ø 200
At a Glance
- Made from high-grade 316L stainless steel
- CE marked and complies with EN 1856-1 standards
- Push-fit jointing system with secure Locking Band
- Designed for both positive and negative pressure applications
- Versatile for residential and commercial installations
- Ensures a safe 50mm distance from combustibles
- Backed by a 10-year warranty

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 200 is part of the versatile SWPro single wall flue system. Crafted from high-grade 316L stainless steel, it is designed for robust performance in both high and low temperature scenarios. This universal flue system meets stringent standards for both non-condensing and condensing applications, handling flue gases of positive and negative pressure with ease.
The SWPro system is suitable for any setting, be it residential or commercial, including boilers, ovens, ventilation systems, and as chimney shaft liners. CE marked for assurance, it conforms to EN 1856-1 standards with a designation of T200 H1 W Vm L50040 O(50) for diameters from Ø 80 to Ø 200 and T200 H1 W Vm L50050 O(50) for diameters from Ø 250 to Ø 400. Installation is straightforward with a push-fit jointing system, secured using a Locking Band.
For optimal safety in P1 and H1 installations, jointing gaskets must be fitted to every connection, ensuring a safe distance of 50mm from the outside flue to combustible materials.
SKU: 3-200-102
Technical Specifications | |
---|---|
SKU | 3-200-102 |
Model | Increaser 2 Diameters - u00d8 200 |
Material | 316L Stainless Steel |
Standards | EN 1856-1, CE marked |
System | SWPro |
Application | Residential and Commercial (boilers, ovens, ventilation, chimney liners) |
Diameter Range | u00d8 80 to u00d8 200 (and u00d8 250 to u00d8 400 in extended applications) |
Installation | Push-fit jointing system with Locking Band; requires jointing gaskets |
Safety Distance | 50mm from combustibles |
Warranty | 10 Years |
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 200 is a perfect solution for expanding your flue system with ease and reliability. At National Flues, we pride ourselves on unbeatable pricing, nationwide delivery, and outstanding service to both retail and trade customers. Secure payments guaranteed.
The Increaser 2 Diameters - Ø 200 is designed to expand the diameter of an existing flue system, accommodating larger flue requirements seamlessly.
National Flues supplies high-quality flue systems and components to both retail and trade customers across the UK. Known for reliable delivery and competitive pricing, National Flues ensures secure online payments and exceptional customer service.
