Triplelock - Oil Cowl, Chinamans Hat - Ø 125
At a Glance
- Crafted from 316L grade stainless steel (0.10mm thick)
- Innovative TRIPLELOCK seal for an airtight finish
- Certified to BS EN 1856:2 and BS715 standards
- Suitable for both gas and oil appliances (up to 28 sec oil)
- Robust design with five convolutions ensuring superior integrity

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 Triplelock Oil Cowl, also known as the Chinamans Hat Ø 125, is a high-quality, single-skin flexible flue liner designed to reline masonry chimneys. Craftily built from 316L grade stainless steel, the liner is 0.10mm thick and ensures durability and long-lasting performance. With five convolutions between each seam and the innovative TRIPLELOCK seal, you are guaranteed an airtight setup.
Ideal for appliances running on gas (as specified by the manufacturer) and oils up to 28 seconds, this liner can withstand temperatures of up to 260°C. The product meets the stringent standards of BS EN 1856:2 and holds a BS 715 Kitemark certification. It integrates seamlessly into your chimney, ensuring a secure and efficient operation.
Installation involves feeding the liner from the top, securing it with a clamp plate, and finally, sealing and weatherproofing with a suitable cement. Regular maintenance, including annual sweeping, is recommended for optimum performance.
SKU: 34-125-O
Technical Specifications | |
---|---|
SKU | 34-125-O |
Product Name | Triplelock - Oil Cowl, Chinamans Hat - u00d8 125 |
Material | 316L Stainless Steel |
Thickness | 0.10mm |
Fuel Compatibility | Gas, Oil (up to 28 sec oil) |
Max Temperature | 260u00b0C |
Certification | BS EN 1856:2, BS715 Kitemark |
Warranty | 2 Years |
Manufacturer | Mi-Flues Ltd |
Design | Five convolutions with innovative TRIPLELOCK seal |
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The Triplelock Oil Cowl, known as the Chinamans Hat, is a robust and reliable choice for any chimney flue system. Perfect for oil and gas applications, its unique TRIPLELOCK seal assures you of maximum performance. With our unbeatable prices, secure online payments, and dependable nationwide delivery, National Flues is the go-to for both retail and trade customers.
This cowl is designed for securely terminating a flue liner in oil-based heating installations, ensuring effective venting and safety.
National Flues stands out as a reliable supplier of high-quality fireplaces and flues across the UK. Known for unbeatable prices, excellent service, and dependable delivery, they cater to both retail and trade customers with a focus on secure online transactions.
