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National Flues proudly introduces the Increasing Register Plate Adaptor - Ø 125-Ø 150, an essential accessory for MI-FLEX 316 and 904 flexible flue liners. This high-quality stainless steel adaptor is designed to deliver impeccable performance, ensuring secure and regulation-compliant chimney connections for wood, oil, gas, and smokeless coal systems. Upgrade your chimney system effortlessly with this durable, certified solution from National Flues.
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In Stock
£68.99
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Increases flue diameter by 25mm for enhanced chimney performance
Compatible with MI-FLEX 316 and 904 flexible flue liners
Constructed from robust 316L stainless steel
Suitable for wood, oil, gas, and smokeless coal applications
Compliant with Building Regulations Document J and CE/HETAS standards
Ensures a seamless, secure fit below the register plate
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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 Increasing Register Plate Adaptor (Ø 125-Ø 150) is a crucial component designed for use with MI-FLEX 316 and 904 flexible flue liners. When paired with these liners, it creates a full-system chimney, complying with Building Regulations Document J. This adaptor ensures a seamless transition within your chimney, as it increases the flue diameter by 25mm.
Crafted for use with appliances up to 600°C (T600 designation), it is suitable for wood (with less than 20% moisture), smokeless coal, gas, and oil. The adaptor is fitted below the register plate, featuring a long tail single wall connection that integrates seamlessly with the connecting pipe. Easily secure it with fire cement, ceramic rope, or high-temperature sealant for a gas-tight seal.
For best practices, ensure regular maintenance and cleaning by a HETAS registered sweep.
SKU: 20-125-RPAI
Technical Specifications
Model
20-125-RPAI
Compatible Flue Diameter
u00d8 125 to u00d8 150
Material
316L Stainless Steel
Maximum Temperature
600u00b0C
Designation
BSEN 1856-2 T600 N1 W V2 L50012 G
Fuel Compatibility
Wood (<20% moisture), Smokeless Coal, Gas, Oil
Approvals
CE / HETAS
System
MI-FLEX Accessories MF20 0.6mm 316 S/S
• Position the adaptor directly below the register plate to ensure a smooth flue transition.
• Secure using fire cement, ceramic rope, or a high-temperature sealant to achieve a gas-tight connection.
• Follow the guidelines set out in Building Regulations Document J for safe installation.
• All joints must be thoroughly inspected and maintained; professional installation by a HETAS registered installer is recommended for optimal safety and compliance.
The Increasing Register Plate Adaptor is compatible with wood (with less than 20% moisture), smokeless coal, gas, and oil.
This adaptor is suitable for use on appliances up to 600°C (T600 designation).
No, Building Regulations Document J specifies that flexible flue liners must be installed completely enclosed within a masonry chimney.
You can use fire cement, ceramic rope or tape, or a high-temperature sealant to secure the adaptor and ensure a gas-tight seal.
While DIY installation is possible, it is recommended to have a competent professional or a HETAS registered installer carry out the installation to ensure safety and compliance with regulations.
Regular sweeping and inspection by a competent person at least once a year is recommended. For solid fuel appliances, sweeping should ideally be done twice a year—at the end and start of the heating season.
No, chemical cleaners and mild steel tools should not be used on stainless steel chimneys. Always use appropriate methods for cleaning.
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.
Comprehensive Buyer’s Guide for the Increasing Register Plate Adaptor - Ø 125-Ø 150
When planning an upgrade or installation of a chimney system, understanding every component of your setup is crucial. The Increasing Register Plate Adaptor plays a vital role in ensuring your chimney functions efficiently and securely. This guide will offer you deep insights into the advantages, installation process, and maintenance of this indispensable component.
What is the Increasing Register Plate Adaptor?
The Increasing Register Plate Adaptor is designed to increase the flue diameter by 25mm at the base of your chimney, making it compatible with MI-FLEX 316 and 904 flexible flue liners. This increase not only enhances the performance of your chimney system but also ensures that it meets the rigorous standards of Building Regulations Document J. Made from robust 316L stainless steel, the adaptor is purpose-built to withstand high temperatures, handling up to 600°C, which is particularly beneficial for appliances that utilise wood, oil, gas, or smokeless coal.
Key Benefits and Features
Durability and Reliability:
• Constructed from 316L stainless steel, the adaptor is highly resistant to corrosion and degradation, ensuring a long-lasting performance even under extreme conditions.
Versatility in Fuel Use:
• Whether your system utilises wood with less than 20% moisture, smokeless coal, gas, or oil, the adaptor adapts seamlessly, making it a versatile solution for multiple fuel types.
Regulatory Compliance:
• The adaptor is fully compliant with Building Regulations Document J and comes with CE and HETAS approvals, giving you the peace of mind that your installation meets all necessary safety standards.
Effortless Installation:
• Engineered for a simple, secure fit below the register plate, it offers various securement options such as fire cement, ceramic rope, or high-temperature sealants to ensure a gas-tight seal and seamless integration with your existing connecting pipe.
How to Install
The installation process for the Increasing Register Plate Adaptor is straightforward but should be executed with care to ensure safety and compliance:
1. Preparation:
• Begin by verifying that all components of your chimney system and flue liner installation meet the necessary building regulations. It is advisable to consult with a certified installer if you are unfamiliar with local codes.
2. Positioning:
• Carefully position the adaptor directly below the register plate. Ensuring proper alignment is essential for maintaining an efficient and safe chimney channel.
3. Securing the Adaptor:
• Use fire cement, ceramic rope, or a high-temperature sealant to secure the adaptor. Attention to detail during this phase will help to avoid any future leaks or connection issues. A gas-tight seal is critical for the safe operation of your heating appliance.
4. Final Inspection:
• Once installed, conduct a thorough inspection. It is highly recommended that a HETAS registered installer verifies the setup to confirm that every connection complies with safety standards.
Frequently Asked Questions (FAQs)
Can I install the Increasing Register Plate Adaptor myself?
• While DIY installation is possible, professional advice or installation by a HETAS registered installer is recommended to ensure safety and full regulatory compliance.
What maintenance does the adaptor require?
• Regular yearly maintenance is advised, and for solid fuel appliances, sweeping should ideally occur twice a year to remove any blockages or debris that could interfere with the adaptor’s performance.
Are there additional accessories that might be needed?
• Optional accessories such as enhanced sealants, extra fixing brackets, or specialised cleaning tools are available. These accessories can be particularly useful for ensuring longevity and maintaining system efficiency. It is worth exploring our range of complementary products at National Flues to optimise your entire chimney setup.
Why Choose National Flues?
At National Flues, quality, safety, and customer satisfaction are paramount. We have built our reputation on delivering top-notch products that not only meet but exceed industry standards. The Increasing Register Plate Adaptor exemplifies this commitment by offering robust construction, flow performance, and reliability. With over 95 units currently in stock and competitive pricing, our products are both accessible and dependable.
Final Considerations
Before finalising your purchase decision, consider the long-term benefits of investing in a high-quality adaptor. A well-installed adaptor ensures that your chimney system is safe, efficient, and compliant with all relevant building regulations. Its compatibility with various fuel sources and secure installation options means that you can be confident in the performance and durability of your entire chimney system.
In summary, the Increasing Register Plate Adaptor - Ø 125-Ø 150 is a must-have component for anyone looking to invest in or upgrade their chimney system. Its superior design, regulatory compliance, and ease of installation make it an excellent choice for both residential and commercial applications.
Take control of your chimney’s performance and safety today by choosing the Increasing Register Plate Adaptor. Add to cart or call 01670 206 999.
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