Lid with drain - Ø 100
At a Glance
- Made from premium 316L stainless steel
- Ensures efficient drainage in vertical flue installations
- Suitable for both positive and negative pressure environments
- Features a high-pressure sealing gasket (P1/H1) for secure joints
- CE certified for stringent safety and quality standards
- Modular design ideal for a variety of flue systems
- Push-fit jointing with Locking Band for simple installation
- Compatible with flue diameters ranging from Ø 80 up to Ø 400

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 Lid with drain - Ø 100 from our SWPro range is a high-quality, versatile component made from 316L stainless steel. Designed for diverse applications including boilers, ovens, and ventilation systems, this flue component is suitable for both high and low temperatures, as well as non-condensing and condensing scenarios. Featuring a high-pressure sealing gasket (P1/H1), it meets stringent CE standards and is built to last.
The modular flue system allows easy installation with its push-fit jointing and Locking Band connections. Ensure a safe distance of 50mm from any combustible material. Perfect for both positive and negative pressure environments, this lid with drain is a robust solution for a wide variety of flue systems.
SKU: 3-100-037
Technical Specifications | |
---|---|
Material | 316L Stainless Steel |
System | SWPro |
Connection | BSP connection for drainage pipework, push-fit jointing with Locking Band |
Pressure Sealing | High-pressure gasket (P1/H1) |
Standards | CE Certified |
Temperature Suitability | Designed for both high & low temperatures, suitable for condensing and non-condensing scenarios |
Minimum Clearance | 50mm from combustible materials |
Warranty | 10 Years |
Compatible Flue Diameters | u00d8 80 to u00d8 400 |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, April 28th. 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
At National Flues, we pride ourselves on offering top-notch chimney and flue components nationwide. The Lid with Drain - Ø 100 is a vital component for your flue system, ensuring efficiency and longevity. Ideal for both retail and trade customers, our secure online payments and competitive pricing make us hard to beat!
The Lid with Drain - Ø 100 is designed to facilitate drainage in flue systems, particularly at the bottom of vertical runs, ensuring efficient operation and preventing build-up.
National Flues is a leading supplier of high-quality flue and chimney components in the UK, serving both retail and trade customers with reliable nationwide delivery and competitive pricing.
