Flue, Chimney and Renewable heat products
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IL


IL is a twin wall insulated pre-fabricated domestic gas vent manufactured in the UK by SFL. It 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, dry conditions and the flue gas temperatures must not exceed 250°C.

Features

  • Available in 100, 125 and 150mm internal diameter.
  • Aluminium liner and a zalutite outer case.
  • 6mm air gap insulation.
  • Vertical seams are rolled and securely locked.
  • Inner and outer casing are joined at one end only meaning the inner liner is free to expand as the temperature changes in the vent.
  • Suitable for internal and external applications.
  • Suitable for appliances rated up to 75kW
  • Not suitable for condensing and positive pressure applications.
  • Twist-lock jointing system
  • Range of flue boxes available.

Dimensions

Internal Diameter 100mm 125mm 150mm
External Diameter 114mm 140mm 165mm

Approvals

  • Manufactured and certified to BS EN 1856-1
  • Tested to BS EN 1856 with designation T250 N1 D Vm L11030 0(50)

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gas flue box brochure gas flue box brochure .PDF
il qa il qa .PDF
il brochure il brochure .PDF