MI-FLEX Pot Hanger Support Clamp - Ø 125
At a Glance
- - Made from premium 316L stainless steel
- - Engineered for secure vertical support of MI-FLEX flexible flue liners
- - Withstands high temperatures up to 600°C
- - Compliant with Building Regulations Document J
- - Suitable for wood (with less than 20% moisture), smokeless coal, gas, and oil appliances

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 MI-FLEX Pot Hanger Support Clamp - Ø 125 is a vital component in the MI-FLEX family of chimney installation fittings, perfectly compatible with MI-FLEX 316 and 904 flexible flue liners. Designed to support the flue's vertical weight, this clamp ensures a secure and stable installation. It complies with Building Regulations Document J, mandating that flexible flue liners be enclosed inside a masonry chimney.
This robust clamp is suitable for high-temperature applications up to 600°C and supports the use of wood with less than 20% moisture, smokeless coals, gas, and oil appliances. It's important to maintain your chimney system properly, and we recommend sweeping and inspection at least once a year, ideally twice for solid fuel systems.
SKU: 20-125-SUPCL
Technical Specifications | |
---|---|
SKU | 20-125-SUPCL |
Material | 316L Stainless Steel |
Diameter | 125 mm |
Temperature Rating | Up to 600u00b0C |
Approvals | HETAS / CE |
Compatible Systems | MI-FLEX 316 and 904 Flexible Flue Liners |
Fuels Compatible | Wood (<20% moisture), Smokeless Coal, Gas, Oil |
Designation | BSEN 1856-2 T600 N1 W V2 L50012 G |
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.
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National Flues Ltd Verdict
At National Flues, we truly believe the MI-FLEX Pot Hanger Support Clamp - Ø 125 is essential for any robust chimney system. Reliable and efficient, it seamlessly integrates with our MI-FLEX 316 and 904 liners. Plus, we offer prompt nationwide delivery to both retail and trade customers. You can't go wrong with this top-tier product!
The MI-FLEX Pot Hanger Support Clamp is used to securely support the vertical weight of MI-FLEX 316 and 904 flexible flue liners within masonry chimneys.
National Flues is a leading UK supplier of fireplaces and flues, offering competitive pricing, reliable delivery, and services to both retail and trade customers nationwide. Secure online payments and trade accounts are available, ensuring a smooth purchasing experience.
