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Durable 7'' X 50' Duraflex 304 Stainless Steel Chimney Liner - 7df304-50 Save 50% Now [czG5PxOI]

$74.99 $239.99 -69%

7'' x 50' DuraFlex 304 Stainless Steel Chimney Liner The DuraFlex 304 Stainless Steel Chimney Liner is a versatile and durable solution for a variety of heating appliances. Engineered for use with pellet, non-condensing gas, wood burning, and oil app

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7'' x 50' DuraFlex 304 Stainless Steel Chimney Liner

The DuraFlex 304 Stainless Steel Chimney Liner is a versatile and durable solution for a variety of heating appliances. Engineered for use with pellet, non-condensing gas, wood burning, and oil appliances, this liner is designed to ensure safe and efficient venting. With a diameter range of 3" to 8" and lengths available from 15' to 50', this liner is adaptable to a wide range of installations. The single-wall 304 stainless steel construction provides exceptional strength and corrosion resistance, making it a reliable choice for long-lasting performance.

Product Specifications and Technical Details

The DuraFlex SS chimney liner is crafted from high-quality 304 stainless steel, offering a robust and resilient solution for masonry chimneys. This flexible relining system is ideal for gas, wood pellet, oil, or wood appliances, including fireplace inserts, furnaces, boilers, and water heaters. The 304 stainless steel is designed to withstand the harsh conditions of flue product condensation, ensuring the masonry chimney remains protected. DuraFlex is also available in 316Ti stainless steel, providing additional durability for demanding applications. When used with Simpson DuraVent Two-Ply Insulation Sleeve, DuraFlex SS meets UL 1777 and ULC S635 standards, allowing for 0" clearance to masonry.

Practical Applications and Benefits

The DuraFlex 304 Stainless Steel Chimney Liner is an essential component for any home or commercial setting that relies on heating appliances. Its flexible design allows for easy installation in various chimney configurations, making it a popular choice among professionals and DIY enthusiasts alike. The liner's ability to improve venting efficiency not only ensures the safety of the occupants but also enhances the performance of the heating appliances. Whether you're upgrading an existing chimney or installing a new one, the DuraFlex 304 Stainless Steel Chimney Liner is a smart investment that offers peace of mind and long-term savings.

What Our Customers Say

January 1, 2026

Absolutely no complaints!

I'm very happy with this unit overall.

- Calliope M..

January 1, 2026

Absolutely no complaints!

The quality of the output/results is consistently amazing.

- Amazing_Results.

January 1, 2026

Absolutely no complaints!

The product is of excellent quality and a great performer.

- Finley H..

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