Increaser 3 diameters - Ø 400 (3-400-202)
At a Glance
- High-grade 316L stainless steel construction
Designed for both high and low temperature applications
CE marked for European standard compliance
Push-fit jointing system secured with a locking band
Versatile use in boilers, ovens, and ventilation systems
Ensures a 50mm clearance from combustible materials
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, June 27th. 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 Increaser 3 diameters - Ø 400 is a versatile and high-performing flue adaptor designed for various applications. Crafted with 316L grade stainless steel, this increaser ensures durability and high resistance against corrosion. It's part of the SWPro modular single wall flue system that's suitable for both high and low temperature environments, and is compatible with non-condensing and condensing applications where flue gases are in positive and negative pressure.
This CE-marked product adheres to rigorous standards and ensures safe and efficient operation. With a push-fit jointing system secured by a locking band, installation is straightforward and secure, making it ideal for both DIY enthusiasts and professionals. Please ensure a 50mm clearance from combustible materials for safety.
SKU: 3-400-202
| Technical Specifications | |
|---|---|
| SKU | 3-400-202 |
| Material | 316L Stainless Steel |
| Approvals | CE Marked |
| Clearance | 50mm from combustibles |
| System | SWPro Modular Single Wall Flue |
| Fuels | Gas, Oil |
| Warranty | 10 Years |
| Standards | EN 1856-1 |
