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Pack 503 - (125mm, PHCM/N/CNP/MAE) (20-125-P503)
National Flues presents Pack 503, the ultimate Pot Hanging Cowl Installation Kit designed for seamless flexible flue liner installations. This high-quality installation pack from National Flues ensures excellent compliance with BSEN standards and Building Regulations, making it a reliable choice for modern chimney systems. Ideal for those utilising stainless steel and masonry chimney setups, Pack 503 is your go-to solution for efficient and safe chimney installations.
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In Stock
£72.49
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At a Glance
316L stainless steel construction for long-lasting durability
Designed specifically for 125mm flexible flue liner installations
Fully compliant with BSEN standards and Building Regulations Document J
Includes Pot Hanging Cowl with Mesh, Nose Cone, Black Pipe Adaptor, and Chimney Notice Plate
Suitable for wood (under 20% moisture), gas, oil, and smokeless coal appliances
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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:
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Introducing Pack 503, the optimal solution for your Pot Hanging Cowl installation needs with a 125mm flex adaptor. This installation kit, comprising MF20 MI-FLEX accessories, is meticulously designed to work seamlessly with MI-FLEX 316 and 904 flexible flue liners. Compliant with Building Regulations Document J, it ensures a fully enclosed masonry chimney, capable of withstanding temperatures up to 600°C.
Perfect for wood (under 20% moisture), smokeless coal, gas, and oil appliances, it provides everything you need for a no-hassle installation, excluding the MI-FLEX liner itself. Components include a Stainless Steel Pot Hanging Cowl with Mesh, Nose Cone, Black Pipe Adaptor, and Chimney Notice Plate.
Ensure that the Pack 503 installation kit is used strictly in accordance with Building Regulations Document J. The kit is designed for use with a fully enclosed masonry chimney, and it is critical to note that non-masonry enclosures such as timber or plasterboard are not acceptable. Follow a systematic approach: First, verify that your chimney pot is intact and properly prepared. Next, install the flexible flue liner (purchased separately) and then carefully position the Pot Hanging Cowl along with the associated mesh, Nose Cone, Black Pipe Adaptor, and Chimney Notice Plate. Always use the correct sized 125mm flex adaptor and double-check all fittings. If in doubt, consult a competent person or a professional installer to ensure that every component meets safety standards and performs to its full potential.
Pack 503 includes a Stainless Steel Pot Hanging Cowl with Mesh (125mm), a Nose Cone (125mm), an Adaptor to Black Pipe or Single Wall Flue (125mm), and a Chimney Notice Plate.
No, the MI-FLEX flexible flue liner is not included in Pack 503. It must be purchased separately.
Yes, Pack 503 is suitable for use with wood (under 20% moisture), smokeless coal, gas, and oil appliances.
Pack 503 is suitable for use with appliances up to 600°C (T600 designation).
Yes, Building Regulations Document J requires that a flexible flue liner must be completely enclosed inside a masonry chimney. Non-masonry enclosures like timber or plasterboard are not acceptable.
The chimney system should be inspected and cleaned at least once a year. For solid fuel appliances, it’s recommended to sweep the chimney twice a year – at the end of the heating season and before the start of the next.
No, under no circumstances should chemical cleaners or mild steel tools be used to sweep stainless steel chimneys. Only competent persons should perform sweeping.
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.
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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.
The Pack 503 Installation Kit from National Flues is engineered to meet the highest standards of safety and performance for flexible flue liner installations. Designed specifically for 125mm systems, this kit is an essential component for homeowners and installers looking to upgrade or maintain their chimney systems without the need for extensive modifications to the existing chimney pot. In this detailed buyer’s guide, we will explore the benefits, features, installation guidelines, and frequently asked questions about Pack 503, ensuring you have all the information needed to make an informed decision.
Product Overview
Pack 503 is a comprehensive installation solution that includes a Pot Hanging Cowl with mesh, a Nose Cone, a Black Pipe Adaptor, and a Chimney Notice Plate. The kit is constructed from high-quality 316L stainless steel, which ensures durability and excellent resistance to high temperatures (up to 600°C). This product has become a trusted choice for installers and homeowners alike due to its reliability, compatibility with multiple fuel types, and strict adherence to industry standards such as BSEN and HETAS/CE approvals.
Key Features and Benefits
- Durable Construction: The 316L stainless steel construction means your installation is built to last. This material is exceptionally good at resisting corrosion and high temperatures, ensuring longevity even under demanding conditions.
- Simplified Installation: The kit has been designed to integrate seamlessly with existing MI-FLEX systems. Its 125mm flex adaptor is ideal for use without requiring the removal of the existing chimney pot, reducing both labour and disruption.
- Safety and Compliance: Pack 503 meets strict regulatory requirements, including Building Regulations Document J for flexible flue liners. This compliance guarantees that the installation will be safe and effective, meeting industry-mandated standards for chimney installations.
- Versatility: Whether you are using wood (provided it is under 20% moisture), gas, oil, or smokeless coal as your fuel source, Pack 503 is engineered to handle various types of heating appliances. This versatility makes it a great option for a wide range of properties.
- Complete Kit: Although the MI-FLEX flexible flue liner is not included, the Pack 503 kit comes with every other necessary component. This simplifies your planning process, as you only need to source one additional item to complete the installation.
How to Install Pack 503
Preparation
Before commencing installation, ensure that your chimney system meets the required standards. The flexible flue liner must be completely enclosed within a masonry chimney. Carefully inspect the chimney pot and any surrounding structures for potential issues.
Step-by-Step Installation
1. Position the Flue Liner: Begin by installing the MI-FLEX flexible flue liner (purchased separately) in accordance with manufacturer guidelines.
2. Fit the 125mm Flex Adaptor: Secure the provided 125mm adaptor to ensure a snug fit, eliminating any potential gaps.
3. Attach the Pot Hanging Cowl: Mount the Pot Hanging Cowl with mesh securely over the chimney pot, ensuring that it is level and in proper alignment.
4. Install the Nose Cone and Black Pipe Adaptor: These components are essential for directing the flow correctly. Make sure that all parts are tightened to firm up the installation.
5. Fix the Chimney Notice Plate: This is an important safety feature meant to alert users regarding the proper operation and maintenance of the chimney system.
Important Warnings
- Follow Regulations: It is absolutely crucial to adhere to the Building Regulations Document J. Non-masonry enclosures are not safe for flexible flue liners, and using incorrect installation methods could lead to serious hazards.
- Consult a Professional: If you are uncertain about any step during the installation process, do not hesitate to consult a competent professional. Incorrect installation can jeopardise both the safety and efficiency of your chimney system.
- Regular Maintenance: Once installed, ensure the chimney system is inspected and cleaned at least once a year. This prevents the accumulation of soot and creosote and maintains optimal performance.
FAQs and Common Concerns
Many users often ask if the MI-FLEX liner is included with the Pack 503 kit. Please note that the liner must be purchased separately. For those concerned about compatibility, rest assured this kit is designed to work with a range of fuel types while maintaining safe operational standards.
Another common query is about the longevity of the installation. Thanks to the use of premium materials like 316L stainless steel and adherence to high industry standards, the Pack 503 installation kit offers superior durability and reliability.
Optional Accessories
While Pack 503 provides all the essential components for a basic installation, there are a number of optional accessories available that can further optimize your chimney installation. These accessories can range from additional sealing materials to enhanced maintenance tools. Exploring these optional accessories can ensure not only a more secure installation but also ease the maintenance process over time. We recommend consulting our accessory catalogue for a complete list of compatible enhancements.
Final Thoughts
The Pack 503 Installation Kit by National Flues is more than just a product – it is a reliable solution designed to simplify and secure your chimney installation process. With its robust construction, strict compliance with safety standards, and ease of installation, this kit stands out as an industry leader in flexible flue liner installations. Whether you are a professional installer or a homeowner looking to upgrade your system, Pack 503 provides the quality, reliability, and peace of mind you need.
Investing in quality and safety is paramount when it comes to chimney installations. By choosing Pack 503, you are opting for a product that has been rigorously designed to meet modern safety and performance demands. Remember that the correct installation and regular maintenance of your chimney system are key to ensuring its longevity and optimal performance.
If you have any lingering doubts or need further clarifications, our comprehensive support and expert guidance are always available. Your satisfaction and safety are our top priorities at National Flues.
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