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Triplelock - Flue Adaptor - Ø 250 (34-250-A)

National Flues presents the superior Triplelock Flue Adaptor Ø 250, an essential component for connecting flexible liners to rigid flue systems. This high-quality adaptor is designed for precise, reliable flue installations, making it a top choice for both professional installers and DIY enthusiasts. Discover unparalleled performance and explore our range of complementary accessories to complete your flue system.
Now only £33.99
Give us a call if you find it cheaper and we'll normally price match.

 

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At a Glance

    Robust 316L stainless steel construction

    Secure connection of flexible liner to rigid flue

    Specifically designed for Ø 250 mm applications

    Quick and user-friendly installation for both DIY and professionals

    Backed by a 2-year warranty for lasting peace of mind

Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 8th. 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.

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]

The Triplelock Flue Adaptor Ø250 is a vital component in the installation of flue systems. Designed to connect flexible liners to rigid single wall pipes at the base of the stack, this adaptor ensures a tight and secure fit. The liner is fastened using stainless steel screws and sealed with fire cement or a high-temperature sealant (not supplied).

Ideal for efficient and safe flue installations, this adaptor offers a robust solution to potential fitting challenges, making it an essential tool for both DIY enthusiasts and professional installers.

SKU: 34-250-A

Technical Specifications
SKU34-250-A
Diameter250 mm
Material316L stainless steel
Thickness0.10 mm
FuelsGas, 28 sec. Oil
Warranty2 Years
ApprovalsBS 715:1993
ManufacturerMi-Flues Ltd / Triplelock
Priceu00a315.01
1. Ensure all flue components are clean and free from debris before installation. 2. Position the Triplelock Flue Adaptor firmly on the rigid single wall pipe, ensuring alignment with the flexible liner. 3. Secure the liner using stainless steel screws provided with the system. 4. Apply a high-temperature sealant or appropriate fire cement (not supplied) around the joint to ensure a weatherproof, secure seal. 5. Double-check the alignment and fixings; if in doubt, consult a professional installer to guarantee a safe, compliant installation.

It is used to connect flexible liners to rigid single wall pipes near the base of a flue stack to ensure a secure and stable attachment.

It is constructed from durable materials and includes stainless steel screws for secure fitting.

Yes, it is suitable for DIY installation, but it’s recommended to have professional assistance for optimum safety and compliance.

This adaptor has a diameter of 250mm, equivalent to 10 inches.

No, fire cement or high-temperature sealant is not included. It must be purchased separately.

It is compatible with systems that have a 250mm diameter for both the flexible liner and rigid single wall pipe.

Yes, National Flues offers trade accounts with competitive pricing and reliable delivery to support professional installers.

What our experts say!

"The Triplelock Flue Adaptor Ø250 is a top-tier choice for connecting flexible liners to rigid single wall pipes near the stack's base. Acclaimed for its snug fit and reliable construction, it’s an essential addition to any flue system. Trust National Flues for unbeatable prices, secure online payments, and reliable nationwide delivery for both retail and trade customers."

The Triplelock Flue Adaptor Ø250 is designed to securely connect flexible liners to rigid single wall pipes near the base of a flue stack.

National Flues is a trusted supplier of fireplaces and flues across the UK, known for competitive prices, reliable delivery, and a commitment to both retail and trade customers.

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