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SFL IL Gas Flueing System

IL is a twin wall insulated pre-fabricated domestic gas vent that has been used in the UK for over 25 years, having built a reputation for quality and reliability. The IL gas vent is designed for naturally aspirated domestic gas fired appliances with a draught hood / diverter and where the chimney is required to operate under negative pressure and dry conditions and the flue gas temperatures will not exceed 250°C.

Available in three diameter sizes covering 100mm, 125mm and 150mm. The product consists of an aluminium liner and a zalutite outer case, separated by a 6mm air gap. IL is suitable for internal and external applications, although SFL would recommend that ILS is used for external applications where the run exceeds 3.0 metres. This product is not suitable for condensing and positive pressure applications.

"Air gap insulated to minimise condensation
"Aluminium liner
"Interchangeable with ILS for external flue runs.
"Strong rigid system, suitable for use on caravan / holiday homes, subject to appliance type.

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