Pack 504 - (125mm, P/C/PS/N/CNP/20-100-MR) (20-125-P504)

At a Glance
- All-inclusive installation kit for 125mm MI-FLEX flue liners
Meets Building Regulations Document J requirements
Constructed from robust 316L stainless steel
Compatible with multiple fuel types (wood, smokeless coal, gas, oil)
Includes top plate, top clamp, nose cone, increasing adaptor and chimney notice plate
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.
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.
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.
Have Questions?
Phone: 01670 206999
Email: [email protected]
- Info
- Specs
- Install
- FAQs
The Pack 504 - (125mm, P/C/PS/N/CNP/20-100-MR) is an all-inclusive installation kit designed for MI-FLEX 316 and 904 flexible flue liners. Perfectly suited for creating a comprehensive chimney system, this kit allows you to replace an existing chimney pot and install a new flue liner with ease. This pack includes a 125mm Top Plate, Top Clamp, Nose Cone, and an Increasing Adaptor to Black Pipe or Single Wall Flue with dimensions from 100mm SW to 125mm Flex.
Additionally, a Chimney Notice Plate is provided. Building Regulations Document J stipulates that flexible flue liners must be fully enclosed within a masonry chimney, and this kit meets all necessary requirements. Suitable for appliances up to 600°C and compatible with wood (under 20% moisture), smokeless coal, gas, and oil, it ensures a robust and durable installation.
SKU: 20-125-P504
Technical Specifications | |
---|---|
SKU | 20-125-P504 |
Product Name | Pack 504 - (125mm, P/C/PS/N/CNP/20-100-MR) |
Material | 316L Stainless Steel |
Dimensions | 125mm Top Plate; Increasing adaptor fits 100mm SW to 125mm Flex |
Finish | Natural / Stainless Steel |
Approvals | HETAS, CE |
Compatible Fuels | Wood (<20% moisture), Smokeless Coal, Gas, Oil |
System | MI-FLEX Accessories MF20 |