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Ø 225 Internal Clay Pot Adaptor - Ø 125 (28-125-INT225)

National Flues proudly presents the Ø 225 to Ø 125 Internal Clay Pot Adaptor, an innovative chimney connection solution crafted from 316 stainless steel. This high-performance adaptor seamlessly integrates with Ø 225 chimney stacks and Ø 125 clay liners, ensuring a dependable, leak-proof installation. Perfect for both residential and commercial setups, this internal fit clay adaptor offers a cost-effective and efficient alternative to traditional chimney flue liners. Enhance your chimney system Read more...
The price you pay today £54.99
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At a Glance

    Made from 1mm thick 316 stainless steel for superior durability and corrosion resistance
    Designed specifically for connecting Ø 225 chimney stacks to Ø 125 clay liners
    Tapered clay end ensures a secure, leak-proof fit despite natural irregularities
    Requires no chimney flue liner, simplifying installation
    Installation enhanced with the use of Fire Cement, Fire Rope, and stainless screws
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We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. 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. We can sometimes reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

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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.

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The Ø 225 Internal Clay Pot Adaptor - Ø 125 is designed for connecting the bottom of a chimney stack with an internal clay liner, without the need to install a chimney flue liner. Before using this method, it is essential to conduct a smoke test on the existing clay liner to ensure it's in good condition. Constructed from 1mm thick stainless steel grade 316, this adaptor is built for durability and corrosion resistance.

The clay end of the adaptor is tapered for a secure internal fit, accommodating the natural irregularities of clay liners. To achieve a proper seal, use Fire Cement and Fire Rope around the clay liner. Secure the adaptor using stainless screws to prevent corrosion, and finish by applying the single wall pipe over the spigot, sealing with Fire Cement and/or Fire Rope.

SKU: 28-125-INT225

Technical Specifications
Material1mm thick 316 Stainless Steel
Adaptor SizeØ 225 to Ø 125
Stock Availability17 units in stock
Installation AccessoriesFire Cement, Fire Rope, Stainless Screws
ApplicationResidential and commercial chimney stacks with clay liners
FinishCorrosion resistant
Before proceeding with installation, ensure that the existing clay liner is in good condition by conducting a thorough smoke test. The adaptor is designed with a tapered clay end to accommodate natural irregularities in the liner, ensuring a secure internal fit. Begin by positioning the adaptor so that it connects the bottom of your Ø 225 chimney stack to the Ø 125 clay liner. Apply a generous amount of Fire Cement and wrap Fire Rope around the clay liner to create a robust seal. Secure the adaptor firmly using stainless screws to prevent future movement or corrosion. Finally, place the single wall pipe over the spigot of the adaptor and seal it in place with additional Fire Cement and/or Fire Rope to guarantee a weather-tight connection. Always follow safety guidelines and, if uncertain, consult a professional installer.

This adaptor is designed for use with clay liners that have been smoke tested to ensure they are in good condition.

The adaptor is constructed from 1mm thick stainless steel grade 316, known for its durability and corrosion resistance.

The adaptor is tapered on the clay end for a secure fit. Use Fire Cement and Fire Rope to seal around the clay liner and secure the adaptor with stainless screws to prevent corrosion. Finish by placing the single wall pipe over the spigot and sealing with Fire Cement and/or Fire Rope.

This adaptor is designed to connect Ø 225 mm chimney stacks to Ø 125 mm clay liners.

A smoke test ensures that the existing clay liner is in good condition and suitable for use with the adaptor, preventing potential hazards.

Yes, the adaptor is suitable for both residential and commercial installations where a clay liner is in place and a chimney flue liner is not being installed.

The adaptor is available for purchase at National Flues, with secure online payments and reliable delivery nationwide. Trade accounts are also available.

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