The GK90B starter flue kit is suitable for internal and external applications and even as unique EZ Flexi liner packs. This flue kit is designed to enable condensing boilers to utilise an pre existing chimney. It is also possible to convert existing low level flues to high level after installation.
Supplied in modular form enabling most installations to be accommodated
Short 270 mm to 350 mm or standard 370 mm to 550 mm starter kits
Starter kits can be extended using extensions and elbows from the low level balanced Yellow System
Convert existing yellow system low level flue to an external high level and vertical arrangement (Plume diverter)
Possible to create offsets in straight flue runs by using our 45 degree elbows and extensions
Technical specification
Waist Sizeaa38cg38gzTypeFlue KitToilet Cistern CapacityFTW--ColourBlackSupplier Part NumberGK90BRange DescriptionGreen SystemBrand NameGrant
Reviews
Grant Green System Starter Flue Kit 12 KW to 26 KW GK90B