3.0 Bar Mains Water Booster System 350L Tank TankBoost will boost multiple outlets, across multiple floors, all at the same time, in a mains-fed system. TankBoost is an all-in-one unit made up of a water storage tank and an integrated submerged pump. Additional cold water storage is boosted by an integral submersible pump to increase both pressure and flow, delivering up to 3.0 Bar and 80L/min. Additional water storage units are available to increase capacity. TankBoost 350L is suitable for properties with a mains fed system, such as a combination boiler or unvented cylinder. Toilet, Wash Basin, Washing Machines, Diswasher, Instant Electric Shower, Drench Duel Shower Heads, Thermostatic Shower, Multi Function SHower heads, and Body Jets Can TankBoost be used on combi boilers and.