Increaser 2 diameters - Ø 250 (3-250-102)
At a Glance
- High-grade 316L stainless steel construction
Seamless flue diameter transition for versatile systems
CE marked to EN 1856-1 standards for safety
High-pressure sealing gasket (P1/H1) ensures secure performance
Suitable for both condensing and non-condensing applications
Compatible with gas and oil fuel systems
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 2 diameters - Ø 250 is an essential component in our SWPro modular single-wall flue system. Constructed from high-grade 316L stainless steel, this increaser is designed to seamlessly expand your flue system's diameter. Featuring a high-pressure sealing gasket (P1/H1), the SWPro system is suitable for both high and low-temperature environments.
Whether you're dealing with non-condensing or condensing applications, positive or negative pressure, this increaser is versatile enough to handle it all. Ideal for boilers, ovens, ventilation systems, and as a chimney liner, it meets CE standards with its robust design and ease of installation. Ensure you maintain a 50mm distance from any combustible material to guarantee safety.
SKU: 3-250-102
| Technical Specifications | |
|---|---|
| Material | 316L Stainless Steel |
| Safety Certification | CE (EN 1856-1) |
| Sealing Type | High-pressure sealing gasket (P1/H1) |
| Temperature Range | Suitable for high & low temperature applications |
| Minimum Clearance | 50mm from combustible materials |
| System Compatibility | SWPro Modular Flue System |
| Warranty | 10 Years |
| Flue Diameter Conversion | u00d8 250 (expands from lower diameters) |
| Fuel Compatibility | Gas, Oil |
What our experts say!
"The Increaser 2 Diameters - Ø 250, part of our SWPro range, is a reliable and versatile solution for any flue system. Perfect for both retail and trade customers, National Flues ensures exceptional product quality and reliable nationwide delivery."
The Increaser 2 Diameters - Ø 250 is used to expand the diameter of a flue system, providing a seamless transition for various applications including boilers, ovens, and chimney liners.
National Flues leads the UK market in supplying high-quality flues and fireplaces to both retail and trade customers. Known for unbeatable prices and reliable nationwide delivery, we ensure you get the best products and services.
