TRIPLELOCK
SEAM LOCKED SINGLE SKIN FLUE LINER
TRIPLE LOCK
Manufactured with the same material as Weldline
Triple lock seam
Triple Lock Seam Construction
Triple lock features a joint which is folded and locked in 3 planes creating a strong seal.
High Quality
Triple Lock is built with high quality 316 grade stainless steel, which is constantly monitored for tolerance, consistency and conformance to specification.
Firm Favourite
Triplelock liner is the first liner we ever made and is still a firm favourite. Installers are impressed with is chunky three way locking joint and sturdy construction.

10Year Guarantee
Triple Lock

Technical Details
Fuel type | Gas & Oil |
---|---|
Diameter Range | 50mm to 125mm |
Inner Liner Material | 0.1mm grade 316L stainless steel |
Joint Method | Triple Lock joint system |
Designations | BS EN 1856-2: T600 P2 D Vml50010 G |
CE Approved | Yes |
Maximum Operating Temperature | 600°C negative pressure |
Warranty | 10 years |
FAQ
How do i register my liner warranty?
Our Triplelock liners come with a 10 year liner warranty. Your invoice confirms you purchased the liner from Turner & Wilson.
Please complete the liner registration form on our website to apply for your warranty.
Which liner should i use?
Product |
Fuels |
Weldline | Gas (condensing and non condensing), Oil (28 seconds), Prophane, Butane |
Triplelock | Non condensing Gas, Prophane, Butane and Oil (28 seconds) |
Twinflex Professional 316 | Dry cured Wood |
Twinflex Professional 904 | Coal and coal derived products, dry cured wood, wood pellets, non condensing Gas, Prophane, Butane and Oil (28 seconds) |
Gallery

Gas Adaptor

Clamp & Plate

Gas Mesh Suspending Cowl
