Handle damper 0,5 m - Ø 300
At a Glance
- High-grade 316L stainless steel construction
- CE marked and EN 1856-1 compliant
- Modular push-fit system for fast installation
- Versatile use in boilers, ovens, and ventilation systems
- Secure high-pressure sealing gasket (P1/H1)
- Maintains safe 50mm clearance from combustible materials

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 Handle Damper 0.5m - Ø 300 is an integral part of the SWPro modular single wall flue system. Made from high-grade 316L stainless steel, this damper handle is designed for robustness and longevity. With a high-pressure sealing gasket P1/H1, it is perfect for a wide range of applications such as boilers, ovens, ventilation systems, and chimney shaft liners.
The SWPro system is versatile, accommodating both high and low temperatures, non-condensing, and condensing applications under positive and negative pressure. Certified with a CE mark, the SWPro meets stringent EN 1856-1 standards, ensuring reliable and safe operation. Easy to install with a modular push-fit jointing system, it includes a locking band and requires jointing gaskets for P1 and H1 installations.
Maintain a safe distance of 50mm from any combustible materials such as wood or plasterboard.
SKU: 3-300-106
Technical Specifications | |
---|---|
SKU | 3-300-106 |
Dimensions | 0.5m length, u00d8 300 |
Material | 316L Stainless Steel |
Pressure Gasket | High-pressure P1/H1 |
System | SWPro Modular Single Wall Flue |
Approvals | CE Marked (EN 1856-1) |
Clearance | 50mm from combustibles |
Warranty | 10 Years |
Applications | Boilers, ovens, ventilation systems, chimney shaft liners |
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.
National Flues Ltd Verdict
The Handle Damper 0.5m - Ø 300 is an essential component for anyone looking to ensure maximum efficiency in their chimney and flue system. At National Flues, we offer reliable nationwide delivery to both retail and trade customers. Highly recommended for its durable construction and versatile application. Our rating: 9.8/10.
The Handle Damper 0.5m - Ø 300 is designed to regulate the airflow within a flue system, ensuring efficient operation across various applications such as boilers, ovens, and ventilation systems.
National Flues is a leading UK supplier of high-quality fireplaces and flues, offering competitive prices, reliable delivery, and excellent service to both retail and trade customers nationwide.
