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150mm (6 inch) Flue Liner 316L for Gas and Oil (316L Grade) (4Z-150-1)

Discover the premium 150mm flue liner 316L for gas and oil appliances from National Flues. Engineered in 316L stainless steel, this flue liner provides exceptional safety, reliability, and efficiency for relining masonry chimneys. Perfect for both DIY enthusiasts and professionals, this high-performance chimney liner meets industry standards and ensures your appliance operates at its best.
£20.99
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At a Glance

    Crafted from premium 316L stainless steel for exceptional durability
    Innovative TRIPLELOCK seam ensures a secure, tight fit
    Suitable for both gas and oil-fired appliances
    Complies with BS EN 1856:2 standards and is Kitemarked to BS 715
    Designed for simple DIY installation or professional fit, offering flexibility

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Have Questions?
Phone: 01670 206999
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The 150mm (6 inch) Flue Liner 316L for Gas and Oil is a robust, single skin flexible flue liner, perfect for relining masonry chimneys. Crafted from premium 316L grade stainless steel with a thickness of 0.10mm, this flue liner is designed to handle appliance temperatures of up to 260°C. Its unique TRIPLELOCK seam ensures a tight, secure seal, providing peace of mind and optimal safety.

This flue liner is suitable for appliances fired by gas and oils up to 28 seconds, as specified by the fire manufacturer. It's tested and approved to BS EN 1856:2 standards and Kitemarked to BS 715. Installing this flue liner is straightforward and requires minimal professional intervention, whether you're a trade specialist or a savvy DIY enthusiast.

SKU: 4Z-150-1

Technical Specifications
SKU4Z-150-1
Dimensions150mm (6 inch)
Fuel TypeGas and Oil
Material0.10mm 316L Grade Stainless Steel
Joint MethodTRIPLELOCK Seam
Temperature LimitUp to 260u00b0C
StandardsBS EN 1856:2, BS 715 (Kitemarked)
Warranty10 Year Conditional Warranty
CPR2797-CPR-603464
Before installation, ensure that the chimney is cleaned and free from obstructions. For optimal performance, remove the chimney pot if a suspended cowl is not being used. The liner is designed for a straightforward installation process suitable for both experienced tradespeople and knowledgeable DIY enthusiasts. Use the correct tools and follow manufacturer guidelines closely: measure the chimney accurately, secure the liner with appropriate fittings, and check alignment continuously during installation. If in doubt at any stage, engage a professional installer to ensure that all safety protocols are met.

This flue liner is compatible with appliances fired by gas and oils up to 28 seconds, according to the specifications provided by the fire manufacturer.

The flue liner is designed to accommodate temperatures up to 260°C.

Yes, with the correct precautions and tools, this flue liner can be installed by knowledgeable DIY enthusiasts. However, professional installation is always recommended for safety.

TRIPLELOCK seam refers to the liner's seam being folded in three planes, providing a secure and tight seal for better performance and safety.

If you are not using a suspended cowl, yes, you should remove the pot from the stack for proper installation.

It's recommended that chimneys serving gas and oil appliances be swept and maintained at least once a year.

The flue liner is tested and approved to BS EN 1856:2 standards and Kitemarked to BS 715.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, May 19th. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call. If you need faster stove or fireplace delivery please also 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. 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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our 150mm (6 inch) Flue Liner 316L for Gas and Oil (316L Grade) buyers guide

Secure your chimney's safety and efficiency – order today for a long-lasting, reliable flue solution!

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