This product features Rinnai’s unique Puretemp temperature stability technology – eliminating hot and cold temperature fluctuations common in older generation instantaneous hot water systems. Class leading gas efficiency and a comprehensive warranty makes the Flowmaster 10 the obvious choice for your next hot water replacement. This compact appliance will deliver 10 litres per minute of hot water. No power is required to operate this unit, making it ideal for those environments with limited power supply.