Free Delivery over £100+ 5on Trustpilot Browse our popular stoves Fast Mainland UK Delivery Buy stoves with install packs Call 01670 206 999 for help

Triplelock - Adaptor, Screw-Fix - Ø 100 (34-100-ASF)

National Flues presents the Triplelock 100mm Screw-Fix Adaptor – an essential component for a secure chimney connection. Designed for both flexible liner and single wall pipe installations, this adaptor is synonymous with reliability and durability. Read more...
Triplelock - Adaptor, Screw-Fix - Ø 100
IN STOCK
Product Thumbnail
Now only £15.99
Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryFriday, November 14th*
  • Best PriceCall us to beat any price you found online.
  • Secure checkoutCard· Google/Apple Pay· Klarna· Paypal

 

Payment Options

At a Glance

  • Secure screw-fix mechanism ensuring a firm connection
  • Constructed from high-grade 316L steel for durability
  • Specifically designed for 100mm (4 inch) applications
  • Compatible with both residential and commercial heating systems
  • Reliable performance with dual compatibility for gas and solid fuel systems

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: sales@nationalflues.com

The Triplelock 100mm Screw-Fix Adaptor is essential for securely connecting your flexible liner to a rigid single wall pipe near the base of the stack. This adaptor ensures a tight and safe fit with the help of stainless steel screws and a sealant, such as fire cement or high temperature sealant (not supplied). The high-grade steel construction guarantees longevity and resilience, making it a practical choice for both residential and commercial installations.

Suitable for a wide range of heating systems, this adaptor provides reliable performance and is easy to install.

SKU: 34-100-ASF

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

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.

This is us — real advice over the phone, or at the counter, and real stock in our warehouse.

Customer being served at the National Flues trade counter
Trade counter Installer collection & same-day help.
Team helping customers at the counter
Advice Real people on the phone to spec the right parts.
Friendly member of the team at the front desk
Here to help Friendly, straight answers from HETAS approved experts.
Warehouse shelves with boxed flue components being picked for dispatch
Warehouse Orders picked & dispatched nationwide.
Talk to the team Visit our trade counter
Technical Specifications
SKU34-100-ASF
Diameter100mm (4 inches)
Material316L - 0.10mm thick
Warranty2 Years
ManufacturerMi-Flues Ltd / Triplelock
ApprovalsBS 715:1993
FuelsGas, 28 sec. oil
Before installation, ensure all components are clean and undamaged. Begin by fitting the flexible liner securely into the adaptor. Use the provided stainless steel screws to fasten the liner, and then apply a fire cement or high temperature sealant along the joint for an airtight seal. Check that the connection meets safety guidelines outlined in BS 715:1993. It is essential that the sealant used is appropriate for high heat applications. Should you require additional accessories such as extra screws, specialised sealants, or support brackets, check our accessory range to complete your installation safely.

The Triplelock Adaptor is designed to work with stainless steel flexible liners and rigid single wall pipes.

The flexible liner fits tightly into the adaptor and should be secured using the provided stainless steel screws and a suitable sealant or fire cement.

No, the sealant or fire cement is not included and should be purchased separately.

Yes, the Triplelock Adaptor is versatile and suitable for both gas and solid fuel systems, providing a secure connection.

This adaptor has a diameter of 100mm (4 inches).

Yes, the adaptor is designed for easy installation, making it accessible for both professional installers and DIY enthusiasts.

Yes, National Flues provides reliable nationwide delivery, ensuring you receive your products promptly.

 

Call the Experts   8am-5pm
👀 5 people watching this