Increaser 2 diameters - Ø 125 (3-125-102)
At a Glance
- Constructed from high-grade 316L stainless steel for durability and corrosion resistance
CE marked and compliant with EN 1856-1 for trusted quality and safety
Innovative push-fit jointing system secured by a locking band for quick installation
Versatile transition capability for flue diameters from Ø80 up to Ø200 and Ø250 up to Ø400
Suitable for both condensing and non-condensing systems, handling both high and low temperatures
Designed to ensure a secure fit with a safe 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 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 Increaser 2 diameters - Ø 125 is part of the SWPro modular single wall flue system. Crafted from 316 grade stainless steel, it features a high-pressure sealing gasket (P1/H1) suitable for a multitude of applications, including boilers, ovens, and ventilation systems. This robust component is designed for both low and high-temperature conditions, non-condensing and condensing applications, accommodating flue gases in positive and negative pressures.
It is CE marked and complies with stringent European standards EN 1856-1. The increaser is installed using a convenient push-fit jointing system secured by a locking band, ensuring a secure and efficient fit. To ensure safety, maintain a 50mm distance from any combustible materials during installation.
Explore our extensive range and benefit from our secure online payments and reliable nationwide delivery for both trade and retail customers.
SKU: 3-125-102
| Technical Specifications | |
|---|---|
| Material | 316L Stainless Steel |
| Standard Compliance | EN 1856-1, CE marked |
| Operating Temperature | Suitable for both high and low temperatures |
| Installation Method | Push-fit jointing system with locking band |
| Clearance | Minimum 50mm from combustible materials |
| Diameter Transition | From u00d880 up to u00d8200; and from u00d8250 up to u00d8400 for larger designs |
| Fuel Compatibility | Gas, Oil |
| Warranty | 10 Years |
| System | SWPro |
