Greenstar Oilfit range – the easy-fit fluing solution. Multiple fluing options with the ability to flue internal floor standing boilers from the top, rear or side and external boilers from the rear and side. The Oilfit range is quick-to-install thanks to its push-fit connection and forms a gas-tight seal. In most cases, it will also eliminate the need to cut the flue. The Greenstar Oilfit range provide an easy-fit installation that requires no special tools when fitting flue extensions, elbows and adaptors.