Horizontal pipe with drain - Ø 500
At a Glance
- 316L Stainless Steel construction for superior durability
- Designed for both high and low-temperature applications
- Modular design with an easy push-fit jointing system
- Complies with EN 1856-1 standards and is CE marked
- Reliable handling of positive and negative pressure flue gases
- High-pressure sealing gasket (P1/H1) for leak-proof performance
- Versatile use in boilers, ovens, ventilation systems, and chimney liners

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 500 is part of our reputable SWPro modular single wall flue system, crafted from 316 grade stainless steel and featuring a high-pressure sealing gasket P1/H1. This universal flue system is suitable for both high and low temperatures, and for both non-condensing and condensing applications, capable of handling flue gases in positive and negative pressure. Ideal for a wide range of applications such as boilers, ovens, ventilation systems, and as a chimney shaft liner.Constructed from durable 316L stainless steel, the horizontal pipe comes in various thicknesses depending on the flue diameter, ensuring robustness and reliability.
SWPro flue systems are CE marked and conform to EN 1856-1 standards, guaranteeing top-notch performance and safety. The modular design of SWPro allows for easy installation with a push-fit jointing system secured by a locking band. For P1 and H1 installations, jointing gaskets must be fitted at every joint, and a distance of 50mm from the outside of the flue to any combustible material (wood, plasterboard) must be maintained.
SKU: 3-500-025
Technical Specifications | |
---|---|
Material | 316L Stainless Steel |
Gasket | High-pressure sealing gasket (P1/H1) |
Standard | EN 1856-1, CE Marked |
Diameter | u00d8500 |
System | SWPro modular flue system |
Applications | Gas, Oil, Boilers, Ovens, Ventilation, Chimney Shaft Liner |
Installation Clearance | 50mm from combustible materials |
Warranty | 10 Years |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 25th. 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
The Horizontal Pipe with Drain - Ø 500 is a standout in our range, offering exceptional durability and reliability for both retail and trade customers. With our unbeatable prices and reliable nationwide delivery, National Flues ensures you get the best deal.
The Horizontal Pipe with Drain - Ø 500 is designed to be part of a modular flue system, suitable for various applications including boilers, ovens, and ventilation systems. It ensures safe and efficient handling of flue gases under both high and low-temperature conditions.
National Flues is a leading supplier of fireplaces and flues, known for unbeatable prices, reliable delivery, and excellent service to both retail and trade customers across the UK. Our secure online payment system ensures a hassle-free purchasing experience.
