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Lid with drain - Ø 250 (3-250-037)

Discover the Lid with Drain - Ø 250mm from National Flues, a premium stainless steel accessory designed for commercial flue systems. Ideal for both non-condensing and condensing applications, this component offers efficient drainage and reliable performance. Enhance your flue installation with this robust, CE marked Lid with Drain and explore complementary optional accessories to further improve system efficiency.
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At a Glance

    Crafted from high-grade 316L stainless steel

    Designed for high and low temperature applications

    Compatible with non-condensing and condensing systems

    Robust stainless steel BSP connection for drainage

    Push fit jointing system with locking band for secure installation

    Complies with EN 1856-1 and is CE marked

    Requires 50mm clearance from combustible materials

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.

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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.

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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.
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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).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

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

The Lid with Drain - Ø 250mm, part of the SWPro modular single wall flue system, is meticulously crafted from high grade 316L stainless steel. Designed for both high and low temperature environments, this versatile component is suitable for non-condensing and condensing applications. Whether you're dealing with positive or negative pressure flue gases, this system has you covered.

Ideal for use in boilers, ovens, ventilation systems, and as a chimney shaft liner, this lid with drain ensures efficient drainage from the system. It features a stainless steel BSP connection for seamless integration with drainage pipework.The SWPro system, CE marked and compliant with EN 1856-1 standards, boasts various thicknesses tailored to your flue diameter needs. Easy to install with a push fit jointing system secured by a locking band, the system requires jointing gaskets for P1 and H1 installations.

Remember to maintain a 50mm clearance from any combustible materials such as wood or plasterboard. Choose reliability, efficiency, and superior construction with the Lid with Drain - Ø 250mm.

SKU: 3-250-037

Technical Specifications
Material316L Stainless Steel
Diameteru00d8 250mm
Drainage ConnectionStainless Steel BSP
ComplianceCE Marked, EN 1856-1
SystemSWPro Modular Single Wall Flue
Installation MethodPush Fit Jointing with Locking Band
ClearanceMinimum 50mm from combustibles
Warranty10 Years
ApplicationsBoilers, Ovens, Chimney Shaft Liner, Ventilation Systems
Temperature SuitabilityHigh & Low Temperature, Non-condensing & Condensing
• Ensure the installation area maintains a clearance of at least 50mm from any combustible materials such as wood or plasterboard. • Use jointing gaskets for P1 and H1 installations to secure a leak-proof connection. • Follow the push fit jointing system outlined in the installation manual and secure all joints with the provided locking band. • Verify that the stainless steel BSP connection is properly aligned and attached to the drainage pipework for optimal function. • Always consult a professional if uncertain about installation procedures to guarantee safety and compliance.

It is used at the bottom of a vertical flue run, often under a tee, to allow for the drainage of condensates or rainwater from the system.

It is constructed from high grade 316L stainless steel, ensuring durability and resistance to corrosion.

Yes, the SWPro system features a push fit jointing system secured by a locking band, making it straightforward to install.

It is CE marked and complies with the EN 1856-1 standard.

Yes, it is suitable for both high and low temperature environments, including non-condensing and condensing applications.

The stainless steel BSP connection allows for easy attachment to drainage pipework, ensuring efficient drainage from the system.

A clearance of 50mm from the outside of the flue to any combustible material such as wood or plasterboard is required.

What our experts say!

"The Lid with Drain - Ø 250mm is an outstanding product in our extensive range of flue solutions. Its robust construction and stellar efficiency make it a valuable addition to any installation. Rarely beaten on price, we offer reliable delivery nationwide and serve both retail and trade customers."

The Lid with Drain - Ø 250mm is designed to facilitate drainage at the bottom of a vertical flue run, ensuring the system operates efficiently by removing condensates or rainwater.

National Flues is a leading supplier of fireplaces and flues across the UK, known for competitive pricing, reliable delivery, and exceptional customer service to both retail and trade customers.

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