Reducer - Ø 450 (3-350-008)
At a Glance
- 316L Stainless Steel Construction
Modular push-fit jointing system with Locking Bands
High-pressure sealing gaskets (P1/H1) for secure connections
CE marked and compliant with EN 1856-1 standards
Versatile use for high and low-temperature applications
Robust design optimised for boilers, ovens, ventilation systems, and chimney shaft liners
Easy and reliable installation with a 50mm clearance requirement
Designed for safe, durable, and efficient flue system transitions
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 22nd. 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 Reducer Ø 450 from our top-rated SWPro range is a modular single wall flue system expertly crafted from 316 grade stainless steel. This versatile reducer is perfect for applications requiring both high and low temperatures, making it suitable for boilers, ovens, ventilation systems, and chimney shaft liners. SWPro products boast high-pressure sealing gaskets (P1/H1) and are adaptable for use with both positive and negative pressure flue gases.
The Reducer Ø 450 is CE marked and adheres to EN 1856-1 standards, ensuring safety and compliance. Constructed with varying thicknesses tailored to specific flue diameters, you can trust in its robustness and durability. Installation is straightforward with a modular push fit jointing system secured by Locking Bands.
It is essential to maintain a 50mm distance from any combustible materials.
SKU: 3-350-008
| Technical Specifications | |
|---|---|
| Material | 316L Stainless Steel |
| Applications | Boilers, ovens, ventilation systems, chimney shaft liners |
| Compliance | CE marked, EN 1856-1 compliant |
| Temperature Range | Suitable for both high and low-temperature applications |
| Seal | High-pressure sealing gaskets (P1/H1) |
| Installation Method | Modular push-fit jointing system using Locking Bands |
| Minimum Clearance To Combustibles | 50mm |
| Warranty | 10 Years |
What our experts say!
"The Reducer Ø 450 from National Flues is an excellent choice for any chimney flue system. Its high-grade construction ensures top-notch performance. We deliver nationwide, serving both retail and trade customers with competitive prices."
The Reducer Ø 450 is used to decrease the diameter of the proceeding flue system, ensuring smooth and efficient transitions between different flue diameters.
National Flues is a leading supplier of fireplaces and flue systems across the UK. Known for competitive pricing and reliable delivery, we serve both retail and trade customers with top-notch products and exemplary service.
