EZ-Fit External Flues (Green System) for outdoor boilers

EZ-Fit External Flues (Green System) for outdoor boilers

External high level and vertical flue systems comprise of optional accessories designed to enable the extension of the external module flue system which is supplied as standard with every outdoor boiler.  It comes in a modular form enabling most installations to be accommodated and are manufactured from high grade stainless steel.

Features & benefits

All Grant External modules are supplied with a low level flue as standard. This external version of the Grant's high level and vertical flues is designed to enable the extension of the outdoor module flue system to redirect nuisance pluming. Available in a modular form, the system can cater for most installations. The flue is manufactured from a high grade stainless steel, to ensure longevity. 

Starter connectors
The starter elbow converts any of Grant’s external modules or module combis to High Level or Vertical Conventional flue operation.
The starter straight connector allows the low-level discharge flue system of any Grant External module or module combi to be extended horizontally. The stainless steel flue components are fully insulated, have ‘O’ ring seals and locking bands, ensuring a rigid construction every time.

Hybrid Flues
The Green system can be combined with the Orange system to construct Internal high level or Vertical conventional flue systems using the Flue adaptor kit (CFA 15/70).

  • Suitable for Grant Vortex boilers up to 70kW
  • Maximum vertical flue length = 8 metres
  • Maximum horizontal flue length = 4 metres
  • Supplied in modular form, enabling most installations to be accommodated
  • Starter connections available
  • Double skin extensions available in 150mm, 250mm, 450mm or 950mm fixed lengths and a 195-270mm adjustable length
  • Possible to create offsets in straight flue runs by using our 45° elbows and extensions
  • Suitable for floor standing and wall hung modules
  • Can be combined with Orange system to create bespoke flue solutions

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