Powertank UTILITY - Twin Pump Variable Speed Whole House Water Pressure Booster 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 TWIN - Twin Pump Option The twin pump option is available with out 500ltr and 750ltr variable Powertank and basically does exactly that, 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 basis, or as 2 individual duty pumps (e.g. if you wanted to run 2 separate circuits) Key Features: - Non-corrosive holding tank (WRAS approv