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Lid with drain - Ø 175 (3-175-037)

The Lid with Drain - Ø 175 from National Flues is a premium, modular flue system component designed to deliver outstanding drainage performance. Engineered in 316L stainless steel, this drain lid features a high-pressure sealing gasket and is compliant with CE and EN 1856-1 standards. An ideal accessory for boilers, ovens, and ventilation systems, it guarantees safety and efficiency in both condensing and non-condensing applications. Enhance your flue system with this reliable and versatile drainage solution available from National Flues.
£70.76
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At a Glance

    Crafted from premium 316L stainless steel for exceptional durability and corrosion resistance.
    High-pressure sealing gasket (P1/H1) ensures a secure, leak-free drainage system.
    Versatile design adaptable for a range of flue diameters in various installations.
    Part of the SWPro modular single wall flue system with CE and EN 1856-1 certifications.
    Easy push-fit installation with a reliable locking band for peace of mind.
    Suitable for both condensing and non-condensing applications.
    Maintains a safe 50mm clearance from combustible materials to enhance operational safety.

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).

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

The Lid with drain - Ø 175 is a vital component of the SWPro modular single wall flue system, designed to enhance the efficiency and safety of your flue setup. Crafted from 316 grade stainless steel with a robust high-pressure sealing gasket P1/H1, this lid is perfect for draining flue gases. It accommodates various flue diameters, making it versatile for different applications such as boilers, ovens, and ventilation systems.

Our SWPro system boasts CE markings and adheres to EN 1856-1 standards, ensuring top-notch quality and safety. Installation is seamless with our push-fit jointing system, secured by a locking band. Ensure a 50mm clearance from combustible materials for safe operation.

SKU: 3-175-037

Technical Specifications
Model3-175-037
Diameteru00d8 175
Material316L Stainless Steel
StandardsCE, EN 1856-1
InstallationPush-fit with locking band
GasketHigh-pressure sealing gasket P1/H1
ApplicationCondensing and Non-condensing systems
Clearance To Combustible50mm
Warranty10 Years
- Ensure proper alignment with vertical flue runs, particularly when installed under a tee. - Use the push-fit jointing system and secure each connection with the locking band provided. - Install a gasket at every joint as required for P1/H1 installations to ensure airtight seals. - Always maintain a minimum 50mm clearance from any combustible material as a safety precaution. - Follow EN 1856-1 guidelines and carefully read the manufacturer’s instructions before commencing installation.

The Lid with Drain - Ø 175 is made from high-grade 316L stainless steel, ensuring long-lasting durability and resistance to corrosion.

Yes, the Lid with Drain - Ø 175 is suitable for both high and low temperature applications, thanks to its robust construction and high-pressure sealing gasket P1/H1.

The SWPro system is CE marked and adheres to EN 1856-1 standards, ensuring it meets safety and performance regulations for both positive and negative pressure applications.

Yes, the SWPro system, including the Lid with Drain - Ø 175, is designed for use in both condensing and non-condensing applications.

Our SWPro modular flue system uses a push-fit jointing method secured with a locking band. In P1 and H1 installations, jointing gaskets must be used on every joint. Additionally, maintain a 50mm distance from any combustible materials.

The Lid with Drain - Ø 175 is used at the bottom of a vertical flue run, typically under a tee, to allow efficient drainage of flue gases from the system.

Yes, National Flues offers reliable delivery nationwide, serving both retail and trade customers with secure online payment options.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, May 8th. 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 Lid with drain - Ø 175 buyers guide

Secure the longevity and efficiency of your flue system—order your Lid with Drain - Ø 175 now!

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