Tigerloop Oil De-Aerator Suction lifts up to 4., 5m can be obtained when using the new Tigerloop system. As this unit vent’s vapour to atmosphere it is required for external installation. Whether it's air elimination, nozzle coking problems, vacuum reduction, oil preheating, or just the elimination of that potentially leaky return line. External Oil Heating Part Tigerloop Oil De-aerator Model S220 / TN UL Listed Westwood S220 Tigerloop Oil Deaerator The TigerLoop® De-aerator effectively removes all gas/air bubbles from the oil system, helping to eliminate any oil pump and nozzle problems associated with gas/air in the oil PLEASE READ & FOLLOW MANUFACTURES INSTRUCTIONS. Product description Tigerloop external Oil de-aerator., 1/4 BSP connections 0., 6 litre/hr de-aeration capacity - All systems benefit from Tigerloop's unique ability to condition the oil prior to burning. S220-4 - Westwood Products S220-4 - Tigerloop Combi Oil De-aerator and WE RECOMMEND A QUALIFIED ENGINEER INSTALLS THE PRODUCT., 1/4 BSP , 0., 6 litre/hour de-aeration capacity