Non-concentric increaser 3 diameters - Ø 125 (3-125-204)
At a Glance
- Increases flue diameter by three sizes for seamless transitions
Robust construction using 316L stainless steel
Suitable for both inclined and vertical installations
SWPro push-fit jointing system with locking band for quick installation
Compliant with EN 1856-1 standards and CE marked for safety
Versatile application in boilers, ovens, ventilation systems and more
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, June 20th. 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 with a 125mm diameter is a vital component in enhancing your flue system's functionality and is capable of increasing the diameter by three sizes. Designed for use in both inclined and vertical runs, this increaser ensures proper system performance without the risk of condensate pooling. Constructed from robust 316L stainless steel, it is durable and reliable.
The SWPro system is suitable for a variety of applications, including boilers, ovens, ventilation systems, and chimney shaft liners, and operates effectively in both high and low-temperature environments. Additionally, it supports both positive and negative pressure conditions, non-condensing and condensing situations. The SWPro maintains a high-pressure sealing gasket (P1/H1), and its push-fit jointing system, secured by a locking band, ensures easy installation.
CE marked and compliant with EN 1856-1 standards, it meets T200 H1 W Vm L50040 O(50) - Ø 80 up to Ø 200 and T200 H1 W Vm L50050 O(50) - Ø 250 up to Ø 400 regulations. For optimal and safe installation, jointing gaskets must be used at every joint to maintain a minimum distance of 50mm from any combustible materials.
SKU: 3-125-204
| Technical Specifications | |
|---|---|
| SKU | 3-125-204 |
| Diameter | 125mm |
| Increases Diameter By | 3 sizes |
| Material | 316L Stainless Steel |
| System | SWPro |
| Applicable Standards | EN 1856-1 |
| Approvals | CE Marked |
| Distance To Combustibles | 50mm |
| Warranty | 10 Years |
| Fuels Compatibility | Gas, Oil |
