MI-FLEX FastFix-Screw Adaptor to SW - Ø125 (21-125-MAE)
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Fast deliveryTuesday, October 28th*
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Price matchWe’ll match like-for-like
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Delivery Information* +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, October 28th. This is based on current lead times. Bear in mind that it is a busy time of year. 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.
About National Flues Ltd +
We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.
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]
- Details
- Specs
- Install
- FAQs
Overview: Fast-Fix Screw accessories is a family of screw on installation fitting that have been perfectly designed for use with MI-FLEX 316 and 904 flexible flue liners. When fitted in conjunction together it will make a full system chimney. General Application: Theses items are to used in conjunction with MI-FLEX multi fuel flexible flue liner.
Building Regulations Document J requires that a flexible flue liner can only be installed completely enclosed inside a masonry chimney. A non masonry enclosure such as timber or plasterboard boxing in is not acceptable. All items are suitable for use on appliances up to 600°C (T600 designation).
Suitable for use on Wood Bottom Fixings: Bottom fixings are used to make the transitional change from the connecting flue system to the Flexible flue liner. The connection to the flex should be made inside the confines of the existing masonry chimney and no flex should be on show at any time. Provisions must me made to secure the bottom fixing into the connecting flue below and the flexible above to make a gas tight seal, The use of fire cement, ceramic rope or tape or high temperature sealant its advisable.
Specific Application: This 0.6mm 316 s/s adaptor is designed to be a transitional joint connecting a ridged single wall connecting flue system to MI-FLEX that is the same nominal diameter. Maintenance: The chimney system must be designed to allow for easy provision for sweeping and maintenance. Sweeping must be carried out by competent person.
On solid fuel applications a list of HETAS registered sweeps can be found at www.hetas.co.uk. under no circumstances should chemical cleaners or mild steel tools be used to sweep stainless steel chimneys. Cleaning and inspection of the chimney system should be carried out at least once a year, along with maintenance of the appliance, but it is recommended that chimneys serving solid fuel appliances be swept at least twice a year, at the end of the heating season to remove any deposits, which may have built up during the season, and at the start of the next heating season to check for any blockages or deposits.
I.e. birds nets.
SKU: 21-125-MAE
| Technical Specifications | |
|---|---|
| System | Fast-Fix Screw MF21 |
| Designation | BSEN 1856-2 T600 N1 W V2 L50012 G |
| Material | 316L |
| Colour/Finish | Stainless Steel / NATURAL |
| Fuels | Wood, Oil, Gas, Smokeless coal |
