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Reducer - Ø 450 (3-350-008)

National Flues offers the Reducer Ø 450, a robust and reliable modular stainless steel reducer designed for efficient chimney flue systems. Perfect for transitioning between varying flue diameters in boilers, ovens, and ventilation installations, this premium product meets CE and EN 1856-1 standards. Enhance your flue system with high-quality accessories and expert-grade reducers from National Flues, ensuring a safer, more efficient installation that stands the test of time.
£352.33
with free delivery Give us a call if you find it cheaper and we'll try to price match.

 

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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

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]

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
Material316L Stainless Steel
ApplicationsBoilers, ovens, ventilation systems, chimney shaft liners
ComplianceCE marked, EN 1856-1 compliant
Temperature RangeSuitable for both high and low-temperature applications
SealHigh-pressure sealing gaskets (P1/H1)
Installation MethodModular push-fit jointing system using Locking Bands
Minimum Clearance To Combustibles50mm
Warranty10 Years
Installation requires a minimum clearance of 50mm from any combustible materials. The Reducer Ø 450 features a modular push-fit jointing system that is secured using Locking Bands. Begin by verifying that all connecting components are clean and correctly aligned. Insert each component firmly until the locking mechanism engages. It is advisable to check that each connection is sealed and secure, especially when integrating optional accessories such as additional sealing gaskets or extension connectors for tailored setups. If in doubt, consult a professional installer to guarantee system safety and performance.

The Reducer Ø 450 is made from 316-grade stainless steel, known for its high resistance to corrosion and durability.

Yes, the Reducer Ø 450 is suitable for both high and low-temperature applications.

Yes, the Reducer Ø 450 is CE marked and complies with EN 1856-1 standards.

The P1/H1 gaskets ensure that the joints are sealed tight, preventing leaks and ensuring the system can handle high pressure.

The reducer features a modular push fit jointing system that is secured with Locking Bands. Ensure a 50mm clearance from any combustible materials.

Yes, it is suitable for both non-condensing and condensing applications.

The Reducer Ø 450 can be used in boilers, ovens, ventilation systems, and as a chimney shaft liner.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, May 12th. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call. If you need faster stove or fireplace delivery please also give us a call. 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. 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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our Reducer - Ø 450 buyers guide

Buy the Reducer Ø 450 today and ensure optimum performance of your flue system.

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