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Reducer 2 diameters - Ø 500 (3-400-108)

National Flues presents the Reducer 2 Diameters - Ø 500, a premium stainless steel chimney flue adaptor ideal for modern boilers, ovens, and ventilation systems. Designed to facilitate a smooth transition between flue diameters, this innovative reducer is perfect for both condensing and non-condensing applications, making it an indispensable accessory for any efficient flue system.
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£528.99
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

  • Constructed from high-grade 316L stainless steel
  • High-pressure sealing gasket (P1/H1) for leak-free performance
  • CE marked and compliant with EN 1856-1 standards
  • Push-fit jointing system with a secure Locking Band
  • Versatile design for both non-condensing and condensing applications

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:

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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).

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The Reducer 2 diameters - Ø 500 is an essential component for those looking to transition between flue system sizes with ease and efficiency. Constructed from high-grade 316L stainless steel, this reducer maintains superior durability and resistance to corrosion. It features a high-pressure sealing gasket P1/H1 that ensures leak-free performance in both high and low-temperature applications, from non-condensing to condensing scenarios.

CE marked and adhering to stringent standards, this reducer is ideal for use in boilers, ovens, ventilation systems, and as a chimney shaft liner. The push-fit jointing system, secured with a Locking Band, makes installation straightforward. Always maintain a 50mm distance from any combustible materials to ensure safety.

SKU: 3-400-108

Technical Specifications
Material316L Stainless Steel
Gasket TypeHigh-pressure sealing gasket (P1/H1)
Diameter TransitionFrom u00d8 500 to diameters down to u00d8 400
StandardsEN 1856-1, CE Marked
Minimum Distance To Combustibles50mm
ApplicationsBoilers, ovens, ventilation systems, chimney shaft liners
Installation MethodPush-fit jointing with a Locking Band
Warranty10 Years
Before installation, ensure a minimum distance of 50mm from any combustible materials. Begin by accurately measuring the flue system to confirm proper alignment. Install the reducer using the push-fit jointing system and secure it with the Locking Band, ensuring that the high-pressure P1/H1 gasket is correctly fitted at every joint to prevent leaks. Always double-check the gasket positioning in both high and low-temperature scenarios and adhere to EN 1856-1 guidelines for optimal performance. If in doubt, consult a certified professional to guarantee a secure and efficient installation.

The reducer is made from high-grade 316L stainless steel, ensuring excellent durability and resistance to corrosion.

Yes, the reducer is suitable for both high and low-temperature applications, including non-condensing and condensing scenarios.

Yes, this product is CE marked, adhering to stringent European safety and performance standards.

The reducer uses a high-pressure sealing gasket P1/H1 to ensure a secure and leak-free connection.

The reducer features a push-fit jointing system secured with a Locking Band. For P1 and H1 installations, jointing gaskets must be fitted at every joint.

Always maintain a distance of 50mm from the outside of the flue to any combustible materials such as wood or plasterboard.

Yes, the Reducer 2 Diameters - Ø 500 is suitable for use as a chimney shaft liner.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, May 1st. 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 2 diameters - Ø 500 buyers guide

Transform your flue system today—add the Reducer 2 Diameters - Ø 500 to your cart and experience hassle-free performance.

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