Horizontal pipe with drain - Ø 650
At a Glance
- Crafted from high-grade 316L stainless steel for exceptional durability
- Modular design with push-fit jointing and locking band for quick installation
- Suitable for both high & low-temperature and condensing & non-condensing systems
- CE marked, ensuring compliance with EN 1856-1 standards
- Versatile use for boilers, ovens, ventilation systems, and chimney shaft liners
- Engineered to handle both positive and negative pressure flue gasses
- Requires jointing gaskets at every joint and a minimum 50mm clearance from combustibles

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 Horizontal Pipe with Drain Ø 650 from our SWPro range is a modular single-wall flue system crafted from high-grade 316L stainless steel. Renowned for its versatility, it is equipped with a high-pressure sealing gasket P1/H1, making it suitable for various applications, including high and low-temperature settings, as well as non-condensing and condensing environments. Designed to handle both positive and negative pressure flue gasses, the system is an excellent choice for boilers, ovens, ventilation systems, and as a chimney shaft liner.
Certified with the CE mark, the SWPro system ensures top-notch quality and safety. Its push-fit jointing system, secured with a locking band, makes installation a breeze. Remember, in P1 and H1 installations, jointing gaskets are a must for every joint, and a minimum clearance of 50mm from combustible materials is necessary.
SKU: 3-650-025
Technical Specifications | |
---|---|
SKU | 3-650-025 |
Inner Material | 316L Stainless Steel |
Outer Material | N/A |
Approval | CE |
Fuels | Gas, Oil |
Pipe Diameter | u00d8 650 |
Minimum Clearance | 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 take pride in offering the Horizontal Pipe with Drain Ø 650. This top-notch flue system provides excellent performance and durability, making it a go-to choice for both commercial and residential installations. With our reliable nationwide delivery and competitive pricing, you won’t find a better deal anywhere else.
The Horizontal Pipe with Drain Ø 650 is designed for use in various high- and low-temperature flue systems, handling both non-condensing and condensing applications in commercial and residential settings.
National Flues is a leading supplier of fireplaces and flues in the UK, serving both retail and trade customers with reliable products and nationwide delivery. Renowned for competitive pricing and excellent customer service, National Flues ensures your installations are both efficient and durable.
