Reducer - Ø 700
At a Glance
- Made from high-grade 316L Stainless Steel
- Versatile use for boilers, ovens, ventilation systems & chimney shaft liners
- Innovative push-fit jointing system with secure locking band
- CE marked for adherence to European safety and environmental standards
- Suitable for both high and low temperature applications
- Requires minimum 50mm clearance from combustibles
- Compatible with optional accessories for customised installations

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 Reducer - Ø 700 is a highly versatile component in the SWPro modular single wall flue system. Made from superior 316L grade stainless steel, it is designed for a wide array of applications including boilers, ovens, ventilation systems, and chimney shaft liners. The flue system is suited for both high and low temperature use, dealing with non-condensing and condensing flue gases under positive and negative pressure.
This reducer is CE marked, indicating compliance with European standards for safety, health, and environmental protection. Installation is straightforward, thanks to a push-fit jointing system secured with a locking band, ensuring a reliable and durable solution. For P1 and H1 installations, jointing gaskets are required for each connection to maintain optimal performance and safety.
Always ensure a minimum distance of 50mm from the flue to any combustible materials.
SKU: 3-600-008
Technical Specifications | |
---|---|
Material | 316L Stainless Steel |
System | SWPro Modular Single Wall |
Fuels Compatible | Gas, Oil |
Approvals | CE Marked |
Clearance | Minimum 50mm from combustibles |
Warranty | 10 Years |
Installation Method | Push-fit jointing with locking band; jointing gaskets required for P1/H1 installations |
Application | Suitable for high and low temperature operations, handling both condensing and non-condensing flue gases |
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
National Flues is proud to offer the Reducer - Ø 700, crafted from high-grade 316L stainless steel and built to last. With our unbeatable prices and reliable nationwide delivery, we cater to both retail and trade customers, ensuring top-notch service and satisfaction.
The Reducer - Ø 700 is designed to decrease the diameter of a flue system, enhancing compatibility and efficiency across a range of heating and ventilation applications.
National Flues is a leading supplier of fireplaces and flues in the UK, known for our competitive prices, reliable delivery, and excellent service to both retail and trade customers nationwide.
