Increaser 3 diameters - Ø 250 (3-250-202)

At a Glance
- Constructed from high-grade 316L stainless steel for durability and corrosion resistance
CE marked and compliant with EN 1856-1 for trusted safety performance
Versatile design suitable for both condensing and non-condensing applications
Simple push-fit jointing system secured with a locking band for quick and secure installation
Designed for flue systems including boilers, ovens, ventilation systems and chimney shaft liners
Requires 50mm clearance from combustibles to ensure safe operation
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 8th. This is based on current lead times for this product. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Best 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.
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]
- Summary
- Specs
- Install
- FAQs
The Increaser 3 Diameters Ø 250 from the SWPro range is a versatile solution for your flue system needs. Whether you're dealing with high or low temperatures, this increaser is suitable for both condensing and non-condensing applications. Made of durable 316L grade stainless steel, it ensures longevity and reliability.
The SWPro system includes a high-pressure sealing gasket P1/H1, which guarantees a secure and tight fit. It's perfect for a wide range of applications, including boilers, ovens, ventilation systems, and chimney shaft liners. The product has been tested and certified with CE marking under EN 1856-1, assuring its quality and compliance.
Modular in design, the SWPro system features a simple push-fit jointing mechanism secured by a locking band, ensuring ease of installation. For added safety, a 50mm gap from combustible materials such as wood or plasterboard is required.
SKU: 3-250-202
Technical Specifications | |
---|---|
SKU | 3-250-202 |
Material | 316L Stainless Steel |
Certification | CE Marked (EN 1856-1) |
System | SWPro |
Fuel Compatibility | Gas, Oil |
Warranty | 10 Years |
Safety Clearance | 50mm from combustible materials |
What our experts say!
"National Flues highly recommends the Increaser 3 Diameters Ø 250 for its reliability and robust construction. With our unbeatable prices and dependable nationwide delivery, we serve both retail and trade customers with the best in the industry."
The Increaser 3 Diameters Ø 250 is used to increase the diameter of your flue system, making it ideal for transitioning between different size connections in various heating and ventilation systems.
National Flues is a trusted supplier of high-quality flue and fireplace products across the UK. Known for unbeatable prices, reliable delivery, and exceptional customer service, we cater to both retail and trade customers, ensuring the best solutions for all your flue needs.
