Increaser 2 diameters - Ø 700 (3-700-102)
At a Glance
- Made from high-grade 316L stainless steel for long-lasting durability
- Designed with a smart push-fit jointing system for quick and secure installation
- CE marked and compliant with EN 1856-1 for assured quality and safety
- Equipped with a high-pressure sealing gasket and locking band for a reliable, tight fit
- Versatile design suitable for non-condensing and condensing flue gas applications across boilers, ovens, and ventilation systems
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, August 15th. This is based on current lead times for this product. 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 on 01670 206 999. 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.
Best 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]
- Summary
- Specs
- Install
- FAQs
The Increaser 2 diameters - Ø 700 is an essential part of the SWPro modular single wall flue system, crafted from high-grade 316L stainless steel which ensures durability and reliability. Suitable for both high and low temperature applications, it effectively handles non-condensing and condensing flue gases under positive and negative pressure. Ideal for a wide range of functions including boilers, ovens, ventilation systems, and as a chimney shaft liner.
It comes with a high-pressure sealing gasket, boasting a CE mark for quality and compliance with EN 1856-1 standards. The smart push-fit jointing system, along with a locking band and joint gaskets, guarantees a secure fit while maintaining a mandatory 50mm distance from any combustible material.
SKU: 3-700-102
| Technical Specifications | |
|---|---|
| Material | 316L Stainless Steel |
| System | SWPro Modular Flue System |
| Standards | CE Marked, EN 1856-1 Compliant |
| Applications | Boilers, Ovens, Ventilation Systems, Chimney Shaft Liners |
| Temperature Range | High and Low Temperature Applications |
| Pressure | Suitable for both positive and negative pressure environments |
| Distance To Combustibles | 50mm |
| Warranty | 10 Years |
What our experts say!
"The Increaser 2 Diameters - Ø 700 is a top-rated product in our catalogue. With its robust 316L stainless steel construction and versatile application, it meets both residential and commercial needs in the flue industry. At National Flues, we offer reliable nationwide delivery, competitive prices, and excellent customer service to both retail and trade clients."
The Increaser 2 Diameters - Ø 700 is designed to increase the diameter of flue systems, ensuring efficient performance across various applications such as boilers, ovens, and ventilation systems.
National Flues is a leading supplier of high-quality fireplaces and flues across the UK, serving both retail and trade customers with competitive pricing and reliable nationwide delivery.
