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Register Plate Adaptor - Ø 150 (20-150-RPA)

Discover the Register Plate Adaptor Ø 150 by National Flues, a top choice among chimney accessories designed for MI-FLEX flexible flue systems. This indispensable component ensures a robust and efficient connection within your chimney setup. Ideal for wood, oil, gas, and smokeless coal appliances, the adaptor is a reliable solution, offering a clean and professional installation that meets UK safety standards. Enhance your chimney’s performance with this must-have accessory that integrates seaml Read more...
The price you pay today £72.99
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At a Glance

    Constructed from high-quality 316L stainless steel
    Designed specifically for MI-FLEX 316 & 904 flexible flue liners
    Withstands temperatures up to 600°C (T600 designation)
    CE and HETAS approved for safe heating appliance connections
    Ensures a neat, concealed finish at the chimney base
Delivery Information +

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.

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.

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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.

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Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

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

The Register Plate Adaptor Ø 150 is a crucial component in your chimney system, meticulously crafted for use with MI-FLEX 316 and 904 flexible flue liners. This adaptor makes for a complete system chimney when installed correctly. It is suitable for use with wood, smokeless coal, gas, and oil appliances up to 600°C (T600 designation).

According to Building Regulations Document J, the flexible flue liner must be entirely enclosed within a masonry chimney. The bottom fixings facilitate a seamless transition from the connecting flue system to the flexible liner, ensuring no flexible portion is exposed. For optimal performance, the use of fire cement, ceramic rope, or high-temperature sealant is recommended.

The adaptor's extended tail single wall connection integrates flawlessly with the connecting pipe, and its round cover plate ensures a neat finish.

SKU: 20-150-RPA

Technical Specifications
Material316L Stainless Steel
Dimensionsu00d8 150 mm
Operating TemperatureUp to 600u00b0C (T600)
ApprovalsCE, HETAS
Compatible SystemsMI-FLEX 316 & 904 flexible flue liners
Colour FinishNatural / Stainless Steel
Position the Register Plate Adaptor Ø 150 at the base of your chimney system, immediately below the register plate. Ensure that the extended tail single wall connection is firmly inserted into the connecting pipe. For a secure, sealed connection, apply a generous bead of fire cement, ceramic rope, or an approved high-temperature sealant. It is crucial that the flexible flue liner is entirely enclosed within a masonry chimney, in line with Building Regulations Document J. Always double-check that no section of the flexible liner is left exposed to maintain safety and compliance.

It is used for connecting the flexible flue liner to the bottom of the chimney system while ensuring no flexible liner is visible.

Yes, it is designed for appliances operating up to 600°C (T600 designation), including wood, smokeless coal, gas, and oil burners.

No, according to Building Regulations Document J, the adaptor must be used within a masonry chimney.

Use fire cement, ceramic rope, or high-temperature sealant to ensure a gas-tight connection.

Sweep and inspect the chimney system at least once a year. For solid fuel appliances, it is recommended to sweep the chimney twice a year.

No, only use appropriate tools and methods for cleaning stainless steel chimneys. Avoid chemical cleaners and mild steel tools.

Look for HETAS-registered sweeps for solid fuel applications, which can be found at www.hetas.co.uk.

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