PH Cowl - Ø 125
At a Glance
- - Integrated rain cap and bird guard
- - Supports MI-FLEX 316 and 904 flexible flue liners
- - Complies with BSEN 1856-2 T600 N1 W V2 L50012 G standards
- - Withstands temperatures up to 600°C
- - Suitable for wood (<20% moisture), smokeless coal, oil and gas
- - Secured with a standard jubilee fixing method
- - Designed for easy installation without removing the chimney pot

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 PH Cowl - Ø 125 is an essential accessory for your MI-FLEX 316 and 904 flexible flue liners, ensuring a comprehensive and secure chimney system. Perfectly compatible with Building Regulations Document J, this cowl facilitates the seamless installation of your flue liner within a masonry chimney. Not only does it prevent the ingress of water and vermin, thanks to its integrated rain cap and bird guard, but it also supports the vertical weight of the flue liner, adding structural integrity to your setup.
Designed to withstand temperatures up to 600°C, it's suitable for various fuels including wood <20% moisture, smokeless coal, gas, and oil. The integrated rain cap and bird guard offer enhanced protection, while securing the terminal using a standard jubilee fixing method ensures a reliable installation. Maintenance is straightforward, with easy sweeping provisions for competent persons, ensuring your chimney remains in top condition.
SKU: 20-125-PHCMB
Technical Specifications | |
---|---|
SKU | 20-125-PHCMB |
Material | 316L Stainless Steel |
Colour Finish | Black |
Standard | BSEN 1856-2 T600 N1 W V2 L50012 G |
System | MI-FLEX Accessories MF20 |
Suitable Fuels | Wood (<20% moisture), Oil, Gas, Smokeless Coal |
Operating Temperature | Up to 600u00b0C |
Approvals | HETAS / CE |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. 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
The PH Cowl - Ø 125 is a superb choice for securing and protecting your chimney system. Delivering top performance alongside integrated rain cap and bird guard, it's tough to find a better value. With reliable nationwide delivery and competitive prices, National Flues serves both retail and trade customers with exceptional ease.
The PH Cowl - Ø 125 is designed to support and protect flexible flue liners, preventing water and vermin ingress, and ensuring structural integrity in masonry chimneys.
National Flues is a leading supplier of fireplaces and flues across the UK, known for competitive pricing, reliable delivery, and a commitment to serving both retail and trade customers with top-quality products.
