We use cookies to ensure a smooth, secure, and ever-improving experience on our website. By continuing to browse, you agree to our use of cookies as detailed in our Cookie Policy. Enjoy your visit and let us now if you need any help!
Cookie Preferences
We use different types of cookies for various purposes. Please select which you allow:
National Flues presents the Screw-FIX Register Plate Adaptor - Ø 150, an essential chimney accessory for achieving secure and compliant MI-FLEX flue installations. This high-quality register plate adapter is designed for reliable performance and seamless connection to MI-FLEX 316 and 904 flexible liners, ensuring a gas-tight seal and efficient transition within masonry chimneys. Ideal for professional installations and DIY enthusiasts alike, this adaptor is a must-have for all chimney installation projects in the UK.
Hover to Zoom / Click for Gallery
In Stock
£44.49
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Secure connection for MI-FLEX flexible liners
Complies with Building Regulations Document J
Gas-tight seal with fire cement, ceramic rope, or high-temperature sealant
Rated for up to 600°C (T600 designation)
Ideal for wood (<20% moisture), smokeless coal, gas, and oil appliances
Long tail single-wall connection for reliable installation
Designed for installation under the register plate within masonry chimneys
×
Email Product
Enter your email address to send the product details:
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.
The Screw-FIX Register Plate Adaptor - Ø 150 is a key installation accessory specifically designed for seamless connection with MI-FLEX 316 and 904 flexible flue liners. This fitting ensures a comprehensive chimney system when used together with other MI-FLEX products. According to Building Regulations Document J, flexible flue liners must be fully enclosed within a masonry chimney.
This adaptor ensures that installation meets safety standards while being suitable for appliances up to 600°C (T600 designation). Ideal for use with wood having less than 20% moisture, smokeless coal, gas, and oil, this adaptor secures the transition from connecting flue systems to flexible liners, ensuring a gas-tight seal with the use of fire cement, ceramic rope, or high-temperature sealant. Installed at the base of the chimney underneath the register plate, it features a long tail single-wall connection, making it a versatile and essential piece for any compliant chimney setup.
SKU: 25-150-RPA
Technical Specifications
SKU
25-150-RPA
Diameter
150 mm
Material Compatibility
MI-FLEX 316 and 904 flexible liners
Installation Location
Base of chimney below register plate
Temperature Rating
Up to 600u00b0C (T600)
Fuel Compatibility
Wood (<20% moisture), smokeless coal, gas, oil
Connection Type
Long tail single-wall connection
Compliance
Building Regulations Document J
Stock
IN STOCK (73)
- Install the adaptor at the base of your masonry chimney directly beneath the register plate.
- Ensure the flexible flue liner is fully enclosed within the chimney as mandated by Building Regulations Document J.
- Use fire cement, ceramic rope, or high-temperature sealant to achieve a gas-tight connection between the chimney and flexible liner.
- Confirm that all connections are secure, and that the adaptor is correctly aligned for optimal performance.
- Note: This adaptor is not suitable for non-masonry chimneys; always verify compliance before installation.
The Register Plate Adaptor ensures a secure transition from the connecting flue system to the flexible flue liner, maintaining a gas-tight seal while complying with Building Regulations.
No, Building Regulations Document J stipulates that the flexible flue liner must be fully enclosed within a masonry chimney.
This adaptor can be used with wood (<20% moisture), smokeless coal, gas, and oil.
You should use fire cement, ceramic rope, or high-temperature sealant to secure the bottom fixing into the connecting flue below and the flexible liner above.
The adaptor is suitable for use with appliances that operate up to 600°C (T600 designation).
The adaptor is installed at the base of the chimney below the register plate. It connects to the register plate on the underside and transitions to the MI-FLEX flexible liner above.
Yes, the flexible flue liner must be completely enclosed within the masonry chimney with no part of it visible.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 30th.
If you need faster stove or fireplace delivery please give us a call.
We can often 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. Mi-Flex offers a lifetime guarantee.
Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
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.
Buyers Guide for the Screw-FIX Register Plate Adaptor - Ø 150
When it comes to chimney installation, safety and compliance are paramount. The Screw-FIX Register Plate Adaptor - Ø 150 is a critical component designed to bridge the gap between modern chimney systems and traditional masonry enclosures. This comprehensive guide will help you understand the benefits, installation requirements, and technical advantages of using this adaptor, ensuring you make an informed decision for your chimney project.
Overview
The Screw-FIX Register Plate Adaptor is engineered for secure performance and ease of installation. Specifically designed to work with MI-FLEX 316 and 904 flexible flue liners, this adaptor provides the necessary transition between the connecting flue system and the flexible liner. Manufactured to meet the stringent requirements of Building Regulations Document J, the adaptor guarantees that your installation is not only efficient but also compliant with current safety standards. Its robust design ensures long-term durability, especially when used with appliances operating at temperatures up to 600°C (T600 designation).
Key Features and Benefits
- Robust Construction: The adaptor is built to withstand high temperatures, ensuring that it remains functional even under extreme conditions. This is particularly important for appliances that operate with intense heat, providing you with a reliable and long-lasting solution.
- Secure and Compliant: Compliance with Building Regulations Document J is a must for any chimney installation. This adaptor is designed to fully enclose the flexible flue liner within a masonry chimney, preventing any part of the liner from being exposed. This not only aids in maintaining system efficiency but also enhances overall safety by reducing the risk of heat loss and potential fire hazards.
- Versatile Fuel Compatibility: Whether you are using wood with less than 20% moisture, smokeless coal, gas, or oil, this adaptor is suitable for a range of fuel types. Its versatility makes it an ideal choice for various heating systems, ensuring you can rely on it regardless of your fuel source.
- Easy Installation: The design of the adaptor incorporates a long tail single-wall connection, which simplifies the installation process. You can easily secure the adaptor in place using standard sealing materials such as fire cement, ceramic rope, or high-temperature sealant. This not only ensures a gas-tight seal but also minimizes installation time and effort.
Installation and Compliance
Proper installation is crucial to the performance and longevity of your chimney system. It is important to install the adaptor directly beneath the register plate inside a correctly constructed masonry chimney. Installing the adaptor in accordance with the provided guidelines ensures that the flexible flue liner remains completely enclosed, thereby fulfilling the structural requirements outlined in Building Regulations Document J.
Before commencing the installation, confirm that your chimney is compliant with current masonry standards. Using reliable sealing products and ensuring that all connections are properly aligned will help you achieve a professional-quality installation. Remember, the use of the recommended sealing materials guarantees a gas-tight seal, which is essential for both safety and efficiency.
Addressing Common Objections
Some may wonder about the compatibility of the adaptor with various chimney configurations or its performance under different operating conditions. The Screw-FIX Register Plate Adaptor is specifically designed for masonry chimneys and should not be used in non-masonry applications. Additionally, its high temperature rating of up to 600°C has been tested rigorously, ensuring that it performs reliably even during demanding heating conditions. If you have any concerns about the correct application or installation methodology, National Flues' technical support team is available to provide expert advice and assistance.
Why Choose National Flues?
National Flues is recognised for delivering high-quality fireplace and flue solutions throughout the UK. With a focus on safety, innovation, and customer satisfaction, National Flues offers products that not only meet but exceed industry standards. The Screw-FIX Register Plate Adaptor is a testament to our commitment to quality, providing you with a dependable solution for effortless chimney installations. Our nationwide delivery service and competitive prices make it easy to upgrade your chimney system without compromising on quality or safety.
Making the Decision
Investing in the right components for your chimney installation is crucial for ensuring long-term performance and reliability. The Screw-FIX Register Plate Adaptor - Ø 150 offers a perfect blend of durability, ease of installation, and regulatory compliance. It is an investment in both the efficiency and safety of your heating system, protecting your property while ensuring optimal operation of your appliance. Whether you are a seasoned professional or a DIY enthusiast, this adaptor is designed to meet the demands of modern chimney installations.
Every detail, from its robust construction to its simple installation process, has been meticulously engineered to deliver outstanding performance. With National Flues, you can be confident that you are choosing a product endorsed by industry experts, designed for excellence, and supported by exceptional customer service.
Buy now or call 01670 206 999.
Compatible and other products that may be of interest...