Lid with drain - Ø 650
At a Glance
- 316L Stainless Steel Construction for superior durability
- Designed for high and low temperature applications including condensing systems
- CE marked and compliant with EN 1856-1 standards
- Features a stainless steel BSP connection for optimal drainage
- Easy installation with a push-fit jointing system and Locking Band

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 650 is an essential component of the SWPro line, designed to be installed at the bottom of a vertical flue run, often beneath a tee junction. Constructed from 316L grade high-quality stainless steel, this product ensures durability and longevity. It features a high-pressure sealing gasket P1/H1, making it suitable for a variety of settings, including high and low temperature scenarios and both condensing and non-condensing applications.
The SWPro modular single wall flue system is ideal for use with boilers, ovens, ventilation systems, and as a chimney shaft liner. It has thorough CE marking, adhering to EN 1856-1 standards, ensuring its safety and efficiency. This lid includes a stainless steel BSP connection to facilitate efficient drainage via connected pipework, and the push-fit jointing system with a Locking Band ensures secure and simple installation.
SKU: 3-650-037
Technical Specifications | |
---|---|
SKU | 3-650-037 |
Diameter | Ø 650mm |
Material | 316L Stainless Steel |
Applications | Boilers, ovens, ventilation systems, chimney shaft liner |
Approvals | CE marked, EN 1856-1 |
Distance To Combustibles | 50mm |
Warranty | 10 Years |
System | SWPro |
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.
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National Flues Ltd Verdict
At National Flues, we highly recommend the Lid with Drain - Ø 650 for its robust construction and versatility. Our clients appreciate our competitive pricing and reliable nationwide delivery, whether purchasing for retail or trade.
The Lid with Drain is designed to be placed at the bottom of a vertical chimney flue run, typically under a tee, to allow for efficient drainage of the flue system.
National Flues is a trusted supplier of fireplaces and flues across the UK, committed to providing high-quality products at competitive prices with reliable nationwide delivery. Catering to both retail and trade customers, we ensure secure online payments and excellent customer service.
