Twin Wall Gas (IL)

il

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.

http://www.sflchimneys.com/wp-content/uploads/IL.pdf