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Twin Wall Gas Vent System

 This system 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.

This product is suitable for internal and external applications, but not suitable for condensing and positive pressure applications.