Trevoli PT100 100L Pressure Tank | Large Household Water System NZTrevoli PT100 100L Pressure Tank The Trevoli PT100 100L Pressure Tank is designed for larger household water systems, lifestyle blocks and high demand rainwater installations. With a generous 100L capacity and approximately 32L of system drawdown, it significantly reduces pump cycling and helps provide smoother, more consistent water pressure. Built with a polypropylene liner, butyl diaphragm and corrosion resistant steel construction, the PT100 is