Sflue Black (2119706B) - Increaser - Ø 127-152mm
At a Glance
- Increases flue diameter from Ø127mm to Ø152mm
- Constructed with robust 316L (inner) and 304 (outer) stainless steel – 0.40mm thick
- Compressed rockwool insulation for enhanced thermal efficiency
- HETAS approved and CE marked for trusted safety standards
- Easy installation with 8-barbed twist-lock system and locking band
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 Sflue Black (2119706B) Increaser - Ø 127-152mm is designed for seamless integration into your flue system, equipped to handle a variety of heating appliances including wood stoves, gas coal effect fires, and oil and gas boilers. Constructed with robust materials, the outer skin is made from 304 grade stainless steel while the inner lining consists of 316 grade stainless steel. Both skins are 0.4mm thick.
The increaser includes compressed rockwool insulation with a density of 230kg/m3, encapsulated within twist-lock couplers for enhanced efficiency. Fully laser welded, it ensures utmost durability and performance. This product maintains a safe distance of 50mm between the flue and any combustible materials.
HETAS approved and CE marked, it meets high industry standards (EN1856-1 T450 N1 D V2 L50040 G50). Installation is straightforward with its 8-barbed twist lock system and locking band, ensuring secure and reliable connections.
SKU: 42-125-002
| Technical Specifications | |
|---|---|
| SKU | 42-125-002 |
| Product Name | Sflue Black Increaser - u00d8 127-152mm |
| Dimensions | u00d8127mm to u00d8152mm |
| Inner Material | 316L Stainless Steel (0.40mm thick) |
| Outer Material | 304 Stainless Steel (0.40mm thick) |
| Insulation | Compressed Rockwool, 230kg/m3 |
| Approval | HETAS / CE |
| Minimum Clearance | 50mm from combustibles |
| Warranty | 15 Years manufacturing defect, 2 Years paint warranty |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. If you need faster stove or fireplace delivery please give us a call. We can often 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. Mi-Flex offers a lifetime guarantee. 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. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The Sflue Black (2119706B) Increaser is a top-notch choice for expanding your flue system efficiently. With stellar construction, HETAS approval, and CE marking, it promises reliability and durability. Plus, we deliver nationwide and cater to both retail and trade customers, making us your go-to source for fireplace solutions.
The Sflue Black Increaser is used to expand the diameter of your flue system by one size, ensuring a more flexible and efficient configuration for your heating appliances.
National Flues is a leading supplier of high-quality fireplaces and flues, providing unbeatable prices and reliable delivery services across the UK. We cater to both retail and trade customers, ensuring diverse needs are met with top-notch products and services.
