Pack 705 - (175mm, P/C/N/CNP/20-150-MR/RC)
At a Glance
- Comprehensive installation kit including top plate, top clamp, nose cone, increasing adaptor, chimney notice plate, and rain cap
- Designed for safe, efficient installation for multifuel chimneys
- Compatible with MI-FLEX 316 and 904 flexible flue liners
- Constructed from high-quality 316L stainless steel with a natural finish
- Fully compliant with Building Regulations Document J for masonry chimneys

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 705 installation kit is ideal for installing a multifuel flue liner system, compatible with MI-FLEX 316 and 904 flexible flue liners. This pack includes key components such as a top plate, top clamp, nose cone, increasing adaptor, chimney notice plate, and a rain cap. Each item is designed for use in masonry chimneys and supports appliances up to 600°C.
This kit meets the Building Regulations Document J, ensuring a safe and compliant installation. The kit is suitable for wood (<20% moisture), smokeless coal, gas, and oil appliances. Regular maintenance and cleaning are recommended to ensure optimal performance.
SKU: 20-180-P705
Technical Specifications | |
---|---|
SKU | 20-180-P705 |
Product Name | Installation Pack No 705 - u00d8150-u00d8180 |
Dimensions | Suitable for flue liners from 175mm to 180mm |
Material | 316L Stainless Steel |
System Compatibility | MIu2010FLEX 316 & 904 flexible flue liners |
Fuel Types | Wood (<20% moisture), Smokeless Coal, Gas, Oil |
Operating Temperature | Up to 600u00b0C |
Standards | BSEN 1856-2 T600 N1 W V2 L50012 G, HETAS / CE approved |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. 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. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
Pack 705 is an excellent installation kit, offering reliability, safety, and ease of use. Perfect for pairing with MI-FLEX flue liners, it ensures your chimney system is top-notch. National Flues delivers nationwide to both retail and trade customers, and we are rarely beaten on price.
The Pack 705 installation kit is designed for setting up a multifuel flue liner system. It ensures safe and efficient operation of your chimney for solid fuel, gas, and oil appliances, even in scenarios without an existing chimney pot.
National Flues is a leading supplier of high-quality fireplaces and flues across the UK. Known for competitive pricing and reliable delivery, we cater to both retail and trade customers with secure online payment options.
