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125mm (5 inch) Gas vent flue system SFL IL

This gas vent system (SFL IL) is suitable for gas appliances, typically in domestic or small commercial installations, with draughthoods or with a flue gas temperature not exceeding 250°C and zero or negative pressure in the flue.

Components lock together positively to provide a strong rigid flue system and to ensure maximum ease of site assembly.

Features of this gas vent flue.

  • Twin wall construction - Aluminium and Zalutite
  • Air gap insulates and minimises condensation
  • Low external temperature reduces clearances required to combustibles
  • Atmospheric gas fired appliances only - Zero or Negative pressures in the flue
  • CE Approved EN 1856-1 T250 N1 D Vm L11030 O(50)

SFL IL specs

SFL-IL-gas-vent-twin-wall-brochure

More information available in the
SFL IL specs.

Flexible liner to IL connector - 125mm (5inch) - IL gas flue

price£ 14.60
(inc VAT) £ 17.52

Connects to the top of a stainless steel flexible flue liner at the point where the liner exits an existing masonry, or similar chimney.

Adaptor to flexible flue liner - 125mm (5inch) - IL gas flue

price£ 14.60
(inc VAT) £ 17.52

Connects IL gas flue to flexible flue liner or fibre cement liner - lower end connects to IL flue

Draughthood or appliance connector - 125mm (5inch) - IL gas flu

price£ 6.64
(inc VAT) £ 7.97

Connects the system to an appliance spigot or where the system is connected to a Transfer or Adaptor block for a BS EN 1858 Flue Block system.

Disconnector section - 125mm (5inch) - IL gas flue

price£ 44.38
(inc VAT) £ 53.26

Provides maintenance access without disturbing the flue system.

Straight length 152mm - 125mm (5inch) - IL gas flue

price£ 10.71
(inc VAT) £ 12.85

Straight length - effective length is 38mm less

Straight length 305mm - 125mm (5inch) - IL gas flue

price£ 15.50
(inc VAT) £ 18.60

Straight length - effective length is 38mm less

Straight length 457mm - 125mm (5inch) - IL gas flue

price£ 16.43
(inc VAT) £ 19.72

Straight length - effective length is 38mm less

Straight length 914mm - 125mm (5inch) - IL gas flue

price£ 30.42
(inc VAT) £ 36.50

Straight length - effective length is 38mm less

Straight length 1524mm - 125mm (5inch) - IL gas flue

price£ 46.39
(inc VAT) £ 55.67

Straight length - effective length is 38mm less

Adjustable length 305mm - 125mm (5inch) - IL gas flue

price£ 18.78
(inc VAT) £ 22.54

Adjustable length - effective length 75-203mm

Adjustable length 457mm - 125mm (5inch) - IL gas flue

price£ 27.34
(inc VAT) £ 32.81

Adjustable length - effective length 75-356mm

90 degree Adjustable elbow - 125mm (5inch) - IL gas flue

price£ 22.52
(inc VAT) £ 27.02

Provides variable angles or offset to be made

90 degree equal tee and cap - 125mm (5inch) - IL gas flue

price£ 45.68
(inc VAT) £ 54.82

90 Degree tee and cap

135 degree tee and cap - 125mm (5inch) - IL gas flue

price£ 56.84
(inc VAT) £ 68.21

135 Degree tee and cap

Tee cap - 125mm (5inch) - IL gas flue

price£ 4.25
(inc VAT) £ 5.10

Tee cap

Firestop spacer - 125mm (5inch) - IL gas flue

price£ 4.05
(inc VAT) £ 4.86

Used at floor or ceiling penetration (or in conjunction with the Support Plate) to maintain the required clearance to combustible materials.

Support plate - 125mm (5inch) - IL gas flue

price£ 11.34
(inc VAT) £ 13.61

Supports vents at floor penetrations with the supplied support flange

Wall band support - 125mm (5inch) - IL gas flue

price£ 10.45
(inc VAT) £ 12.54

Provide lateral support, use at intervals not exceeding 3m . If used externally, the galvanised component will require suitable weather protection.

Wall bracket adjustable - 125mm (5inch) - IL gas flue

price£ 9.65
(inc VAT) £ 11.58

Provides internal lateral bracing support. The strut can be cut to length to provide variation in wall clearance.

Guy wire bracket stainless steel - 125mm (5inch) - IL gas flue

price£ 8.06
(inc VAT) £ 9.67

Used to attach guy wires to the flue for external chimney support

Storm collar - 125mm (5inch) - IL gas flue

price£ 12.55
(inc VAT) £ 15.06

Storm collar

Gas vent terminal - 125mm (5inch) - IL gas flue

price£ 23.91
(inc VAT) £ 28.69

Terminates run of flue

Ridge tile adapter - 125mm (5inch) - IL gas flue

price£ 24.30
(inc VAT) £ 29.16

Designed to be used with any approved ridge tile vent.

Flashing EPDM Res 1

price£ 25.74
(inc VAT) £ 30.89

This flashing is used to provide a weatherproof seal where the flue passes through a tiled or slate roof.

Masterflash EPDM No 5

price£ 33.43
(inc VAT) £ 40.12

This flashing is suitable for sheet metal profiled roofs, flat roofs, boats and caravans. Comes with fixing kit.