Non-concentric increaser 3 diameters - Ø 300 (3-300-204)
At a Glance
- Made from premium 316L Stainless Steel
Suitable for both high and low-temperature applications
Push-fit jointing with secure Locking Band for leak-resistant connections
CE marked and compliant with EN 1856-1 safety standards
Specially designed for inclined installations to prevent condensate pooling
Versatile use in boilers, ovens, ventilation systems, and chimney liners
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 17th. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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, on a retail basis. Give us a call if you find it cheaper and want to buy from us.
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 Non-concentric increaser 3 diameters - Ø 300 is a highly efficient component within the SWPro modular single wall flue system. Crafted from premium 316L grade stainless steel, this increaser is designed for both high and low-temperature applications, including non-condensing and condensing environments. Its universal design is equipped with a high-pressure sealing gasket (P1/H1), and it is ideal for usage in boilers, ovens, ventilation systems, and chimney shaft liners.
The product boasts CE marking and adheres to the stringent standards of EN 1856-1, ensuring optimal performance and safety. The SWPro system features a push-fit jointing mechanism, secured with a Locking Band, making installation straightforward. For P1 and H1 applications, jointing gaskets are necessary to prevent leaks, and maintaining a 50mm clearance from combustible materials is crucial.
SKU: 3-300-204
| Technical Specifications | |
|---|---|
| Material | 316L Stainless Steel |
| System | SWPro Modular Single Wall Flue |
| Gasket Type | High-Pressure Sealing (P1/H1) |
| Standards | EN 1856-1, CE Marking |
| Clearance To Combustibles | 50mm |
| Applications | Boilers, Ovens, Ventilation Systems, Chimney Liners |
| Installation Type | Push-fit Jointing with Locking Band |
| Price | 174.67 (Our Price) |
