Powertank UTILITY Dual 1500ltr - Twin Pump Variable Speed Whole House Water Pressure Booster A Dual Powertank system will give you double the water storage capacity of a single unit. Having the total water storage split between two tanks allows for easier movement and flexibility when installing the systems. The Powertank Utility pumping range is designed for domestic and  light commercial use where there is low mains water pressure and where pressure fluctuates.  It is electronically controlled through a flow switch unit which starts and stops the pump automatically when a tap is opened and closed.  The Utility range is designed for areas where the floor space is not restricted.  This range caters for a wider variation of tank options to suit a wider range of applications. Variable TWINTwin Pump Option The twin pump option adds an extra pump into the tank. This gives you twice the amount of flow at the same pressure, as well as an option to have the pumps running on duty standby b